Physics [Archive] - Page 8

What is the magnitude of the net force acting on the ball?
How to protect a egg from a 2 story drop without a parachute?
How is the net momentum after an explosion zero when pieces are moving in all different directions and speeds?
What is the ratio of the new acceleration to the old acceleration?
What is the ideal wind speed for a wind turbine to produce enough electricity for a family of four daily?
What is the magnitude of the magnetic force on the electron?
Are there variations in infinity where some are larger than others, or infinity is the unsurpassable absolute?
I am in class 9 in india.How i can become an astrophysicist of salary between to 40-60 thousand?
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 34?
What energy/work is done by those people riding a running rollercoaster car?
What is the radial acceleration of the earth toward the sun?
What is the difference between seeing white and seeing a reflection?
How much elastic energy is stored in a hollow shaft under torsion?
What kind of charged particle was transferred between the rod and the sphere?
What is the actual current when the ammeter is absent?
How to find the potential energy stored in a rubber band?
What part of the mass of the spring participates in the oscilation?
What is the difference between a nuclear power station and a hydro-electric power station?
How come a crumpled sheet of paper will fall down faster than a regular sheet of paper?
I dont even know where to start with this phycis question can anybody pleassee help?
How do you think changes in velocity applies to sound produced by a tuning fork or a string instrument?
What centripetal force is required to keep a 60kg person standing on the equator on the earth's surface?
Why is the absolute square of the wave function the probability density?
How important is it to fully charge a remote controlled car the first time you get it?
What is the lowest x-ray resolution of protein structures that can be obtained?
What is the angular separation between the directions of propagation of the two refracted waves?
What is the difference between a centripetal force and a centripetal acceleration?
How do I make a successful egg drop contraption?
How much helium would it take to lift a person off the ground?
How, where or when and what happens can you have 2 velocities at the same time in physics?
What is the magnitude of the perpendicular force?
What is the maximum speed that a 1000kg car can travel over a hill with a vertical curvature of 30m?
What does man call the energy called that keeps everything moving and working together in the universe?
How much energy does it take to create a magnet?
What is the minimum speed for orbiting the earth in a close orbit?
What is the net force acting on the object?
How can something moving at a constant speed have an acceleration?
What is the force exerted on the top of a typical office desk?
What is the average velocity of the ball during the first second?
What are the physics involved with striking an open end tube?
How do you find the angle of a catapult when given where the projectile landed and initial velocity?
What is the coefficient of kinetic friction between the block and the surface?
What is the difference between theoretical and actual mass?
What is the difference between electromagnetic waves and other waves?
What is the cosmological constant estimated to be?
When drawing energy system diagrams how do we know how many circles i draw in the system?
What was the force exerted on the bullet in bringing it to rest?
How do I design a simple device that demonstrates the energy, momentum, and angular momentum principles?
What is the magnitude of the horizontal force acting on the sprinter?
Considering the principles of physics, what is the fastest way to dry your hands without a towel?
What is the difference between specific gravity and density?
When a collision happens, how do i know it will be elastic or inelastic?
What is the difference between the lensemaker's equation and the thin lenses equation?
When should we add the atmospheric pressure to a gas pressure and related?
What is the smallest distance between the speakers that will cause destructive interference to the listener?
What is the max and min power generated in this electric circuit?
What is the difference between positive and negative voltage?
What is the best Singing exercise for increasing your range?
How many 65-W light bulbs can be connected in parallel across a potential difference of 85 V before the to?
What technologies do you forsee invented in this century?
What is the difference between classic and quantum physics?
How do gravitons fit into the general theory of relativity?
What did the last part of the activity tell you about the molecular structure of water?
What is the difference between an electric field and a magnetic field?
How does a proton change into a neutron if protons have less mass?
Can anyone help me understand the difference between Flux and Flux Linkage?
What unit of measurement do you use for slope on an acceleration graph?
What is the highest height one could fall into rough water without dying?
How much more energy efficient is nuclear power?
A meter stick whose mass is 290 grams lies on ice. What is the magnitude of the initial acceleration of the ce?
What is the maximum possible potential difference across the diameter of the artery?
What are some of the experiments taking place for studying gravity at the quantum mechanical level?
How do I work out energy needed to evaporate water?
What is the lowest temperature that will cause a blackbody to emit radiation that peaks in the infrared?
What is the wavelength of a radio photon from an AM radio station that broadcasts at 1120 kilohertz?
What is the minimum kinetic energy on an electron traveling in crown glass to create Cerenkov Radiation?
What happens to the energy shells of an ionized atom?
How to explain a shaked up coke can that once you open, it explodes in a physics concept?
What are the energy transfers and transformations occurring in a game of ping pong?
What does it mean when something is grounded or connect to a ground?
How much torque must the motor deliver if the turntable is to reach its final angular speed?
how long are the rockets fired? How many revolutions does the station make during the firing?
How is energy transformed between different forms of energy when riding a unicycle?
How do you obtain a linear graph from a parabolic distance vs angle graph?
What would happen if the nuclear power plants exploded or something along those lines?
How do you have an egg survive a 4 meter fall using just paper?
Is there a way to tell the difference between gun fire and fire crackers?
Why centrifuge shakes first few seconds after start up?
What is the greatest recorded speed achieved by an object which is NOT a sub-atomic particle?
How do some machines know to function without direct human intervention?
What is the science behind shrinking a chip bag in a microwave?
What is the magnitude of the work done stopping the car?
What exactly lights our nitrogen and oxygen atmosphere to appear blue?
Is it possible to have the same work but different velocities on release from force?
What is the magnitude and direction of the electric field?
How can I determine the number of electrons in each energy level?
What is the purpose of electrolysis and electroplating?
What forces apply on diffrent parts of a roller coaster model?
What is the kinetic energy of the mass when mass reaches the bottom?
How fast is the height of the water increasing?
What would happen if an unstoppable force met an unmoveable object?
How to measure the resistance of a resistor with a ammeter and a voltmeter?
What the difference between pounds and grams?
What are possible sources of error in this physics experiment?
How long does it take coffee to cool?
What is the force of gravity exerted on each of the balls by the other ball?
What is Negative Pressure and how does it work?
What is the new value of fundamental frequency when tension is increased by 2?
What is the common velocity of the two cars as they move together after the collision?
What is the source for centripetal force/acceleration when it comes to Ferris Wheels?
What determines the coefficient of friction between two surfaces?
What is it called when the majority carriers are reduced in a diode during forward conduction?
Can the second law of thermodynamics apply to any situation in the universe?
What is the difference between real and virtual images?
What are the different dimensions theorized today?
How to calculate deceleration when only average velocity and time is given?
How do you find the magnitude of current that is flowing through a cable?
What is the difference between colour charge and quantum flavours?
I need help finding the elastic potential energy of a spring when given only mass and elongation?
Are neutral particles attracted to their antiparticles, and if so, what force causes this attraction?
What is it called when you view a spinning object (ex. helicopter blades) and it begins to spin backward?
What causes the line emission spectrum when atoms are excited by an electric charge?
What boundary conditions must be satisfied by the resonant wavelength?
What are the magnitude and direction of the acceleration of the rock?
How does distance affect the size of the gravitational pull?
How much matter and anti-matter would be needed in a collision between both to destroy the earth?
What is the resistance necessary to produce a peak power output of 120 W in the resistor?
How would I use the right hand grip rule for solenoids?
What special properties do mesons in quarkonium have?
What would happen to a large, cold collapsing cloud of hydrogen gas if it had no dust?
How do you calculate the maximum force of static friction?
What is the work done to overcome the friction?
How to calculate subjective time when traveling at the speed of light?
How far from the castle wall does the fired cannonball hit the ground?
What properties have to exist in order for the properties of our multi-dimensional plane to exist?
What is the difference between lines of force and lines of induction in electrostatics ?
How much work does it do on its surroundings?
How do I work out the impedance in a series-parallel circuit?
How do you determine magnitude and direction of a force that completely cancels a resultant force vector?
What is the formula for projectile motion using a ramp?
What are the units used to find density of a solid and liquid?
What would happen if you put a microwave into a fire?
What is the magnitude of the net force acting on the refrigerator?
How does different coloured light affect solar cell output?
What are the final velocities of each ball if the collision is perfectly elastic?
What is the velocity of a roller coaster going down a slope?
What is the amount of heat required to raise the temperature of a copper ball?
What happens if I attach a battery to a superconductor circuit?
What is the spring constant of the spring and what is the period of the oscillation?
What is the longest that a man-made metallic object could last before rusting away or otherwise breaking down?
How do you calculate the energy in Joules?
What would happen if you threw a baseball straight ahead of you in a place with no gravity?
What acceleration would you have toward earth if you were halfway between the earth and the moon?
How do i work out these answers on projectiles?
What is the force of air pushing backward on a moving car called?
What is the relationship between angular acceleration of a system and the radius?
What is the current such that the magnetic force balances the weight of the wire?
What would happen if I put a ball of paper into the microwave?
How much work needs to be done to move the charge q2 to infinity?
What phase difference between two identical traveling waves, moving in the same direction along a stretched?
What is the equation for force on an object stationary on an incline?
What is the force exerted by the ball on the kicker?s foot?
What are good miniature sources of heat that also give off light?
why do electrostatic demonstrations work better during the winter time and not the summer time?
What could be used to demonstrate the heating effects of electricity in a circuit?
What would happen if you were hung upside down and your eyes were rotated?
How is a galvanometers sensitivity increased when you use a stronger permanent magnet?
How fast do objects approaching the speed of light, going in opposite direction appear to each other?
How can the relationship between wavelength and energy be described?
How to make a working model of Hydroelectricity?
What was the initial speed given to the rock?
What is the maximum potential difference induced between the ends of the wire?
How long would it take a message sent as radio waves from Earth to reach the following?
When can an automobile with a velocity toward the north have an acceleration toward the south?
What is the speed of a bullet in a bullet firing rocket?
What if the electron had a positive charge instead?
An electron moves with constant velocity through a region of space that is free of magnetic fields. Can one co?
How long does it take to circle the earth?
What is the acceleration due to gravity at a distance of 2 earth radii above earth's surface?
How do I calculate the time the Sun fully disappears in this physics equation?
What dimensions will result in a box with the largest possible volume?
What does it take to become a theoretical physicist?
How much microwave radiation does it take to ionize a molecule of oxygen?
How can I put a cheap rf generator together to mess with saltwater fuel?
What elements are byproducts in a nuclear reactor?
What is the magnitude of the electric force between a proton and an electron when they are at a distance of?
How do you find the impact speed and ultimate speed of an electron?
How does the quantum mechanical model of the atom correlate with the traditional Bohr model?
What are the chances of a specific person being born on a specific day?
What is the direction of the current in the rectangular loop?
What are some physics experiments you can do on a stream in a park?
What is the pressure difference between left and right ?
How fast is the car moving when the pebble flies out of the tire tread?
How much faster is an object dropped on a planet with 2g than on earth from the same height?
Why we can't generate energy from the oscillations of a pendulum with a heavy bob?
What is temperature change if kinetic energy is converted to thermal energy?
How does a longitudinal wave differ from transverse and torsional waves?
What is the acceleration due to gravity on the surface of planet x?
How to make levitron at home or some fantastic working model on electricity and magnetism ?
What is the equation to find the spead of an object at an exact moment?
What force must the road exert on its tires to hold the car on course? 160kg car rounds a curve of radius 192m?
What is the formula for the distance a projectile will travel with a constant initial velocity?
How hot does the cathode need to get before it emits an electron cloud?
Explain the difference between subtractive and primary colors in terms of both light and pigments?
How do you work out the vibrations per second from the frequency in kHz?
How do you find the force exerted on a pulley by a string?
What is the speed of the block after the collision?
What is the coefficient of static friction between the wall and the picture?
What is the relationship between angle of Incidence and the angle of Refraction?
How much work does a refrigerator with a COP of 4.8 require to freeze 750 of water already at freezing point?
How many watts do you need in a laser's beam to pop a balloon?
What angular speed is necessary to make this cylinder experience the same accelertion as gravity?
How does light emitted change as a function of temperature?
What are 3 situations in which a force changes the velocity of an object?
How can a concave mirror be used to start a fire?
Is having the power to travel to different dimensions a realistic super power?
When solid changes to gas it sublimates. What do you call it when matter becomes energy and vice versa?
How do you get crimps out of a spiral phone cord?
When you start traveling at large percentages of the speed of light, would you actually go slower?
What is the physics equation for an object hitting the ground at an unstable angle?
What would happen if there was abruptly zero gravity on earth for 10 seconds?
What happens to stuff that falls into the sun?
How far from the edge of the barn does the snowball strike the ground?
What two things can be done to increase the amount of flow in a water pipe?
How do you find the magnitude of the average velocity?
How much does the volume of the air increase as it warms to her body temperature of 37° C?
What would happen if you unloaded a car or motorcycle off of a ramp of a moving car?
How is the power of jet engines determined and how does it compare to the horsepower in piston engines?
How come the specific heat capacities of aluminium and copper are different?
What's the difference between invariant mass and relativistic mass?
What is the eccentricity to decimal places?
What can you use to measure the attraction between a magnet and an object?
How do i find the centrifugal force for a roller coaster?
What centripetal force is necessary for his car to successfully make the corner?
How can the speed of gravity be measured?
What happens when you hit the water after jumping off a tall bridge?
What is the period of the small amplitude oscillations of the ice cube that slides around the hoop?
What proof is there that nothing is faster than the speed of light?
How can mini black holes be created?Isnt a black hole a point of infinite density that is limited to one size?
Why do brakes at the front of the car provide more stopping force than rear brakes?
What's the difference between Kinetic Force and Kinetic Energy?
How many unit vectors f are there that are perpendicular to and that lie in the xy-plane?
How do I construct a simple working model of a laser for my 8th grade physics class?
What minimum temperature would be required to produce this efficiency?
What is generally the field strength of a magnet in turbines?
What is the speed of the block immediately after the bullet exits?
What is the kinetic energy of the object as it reaches its maximum height?
What causes a penny to slide on a turn table?
Which is needed the most to make a simple electric motor work?
What happens when an object on a circular track is accelerated faster than the speed of light? Time travel?