Physics [Archive] - Page 2

What emf is developed between the tips of the wings of a Boeing 767 jet liner in level flight at 750 km/h in a?
How do you measure velocity in the void of space?
What is the highest temperature that could be obtained artificially?
What will you see if you put an opaque object under a compound light microscope?
What is the velocity of the rocket after the fuel has burned?
What is the minimum distance to safely have a neodymium magnet away from electronics?
What would be some potential and kinetic energy found at a play ground?
What is the diameter of this circle given the limited dimensions?
How much hot water is needed to bring the bath back to its original temperature?
What is the formula to find the position of an object after it has moved?
What is the minimum stopping distance if the load is not to slide forward in the cab?
How can you figure out how long something takes to fall released from a certain height?
How do I find the minimum angle a board can have without slipping, using the coefficient of static friction?
How do I do this physics problem about projectile motions?
What property makes a translucent object appear invisible in water?
What is the maximum acceleration the truck can have without the box slipping?
How to find force of friction and the friction coefficient using a graph?
What maths should I practice before a university physics degree?
How far does the block slide on a horizontal surface after sliding down a frictionless ramp?
How can I measure the space between nodes on a vibrating string?
What is the volume of the bubble when it reaches just below the surface of the lake?
What is the magnitude of the electric field at a point away from the sphere's center?
What is the mathematical relationship between mass and distance?
What is the flame propogation speed in a combustion engine?
When plugging gravity into the kinematics equations, when do you use it as postive or negative?
What is the Main problem in improving the efficiency of silicon solar cell?
What horizontal distance does the ball cover before bouncing?
What is the shoe shape thing in front of a large ocean going ship called?
How do the wavelength of ultraviolet compares to a violet light?
How to calculate gravitational time dilation if only know value of gravity?
How many miles per hour is a person moving while standing at a certain spot on Earth?
How does arrangements of atoms in most solids differ from the arrangement of atoms in a liquid?
How do circuit breakers and ground fault interrupters work?
How do I find the resistance of this light bulb at operating temperature?
What device can measure the frequency of a pitch of a flute?
How can I use sound waves to generate electricity with a piezoelectric material?
How is it possible to get somewhere faster, but travel at the same speed?
What is the maximum velocity of current existing missiles in the world?
What is the formula for energy to matter?
What is the transformation of energy while cutting a log of wood with a saw?
How does an atom bomb work and what makes it so powerful?
How do you find the magnitude of impulse and the average force of an object?
How fast is the speed of smell, and what happens when you go faster than it?
How do I effectively stop heat from transferring between two bodies of matter?
What are the similarities between lever,pulley and inclined plane?
How is a piece of paper in a vaccuum similar to a diving stick falling throught pool water?
How do I figure out the height of where a stone fell using time and the height of a window?
What are the situation to prove the law of conservation of mass ?
What is it about the structure semiconductor that determines its band gap?
What happens to a helium balloon when you let it go?
How much distance will a vehicle having an acceleration of 0-60 kmph cover in 4 seconds?
How would increased gravity affect the human body?
How much does 1 gallon of gasoline weigh?
What average speed must be maintained for the last two laps in order to win?
What are the risks of the great particles acceleration experiment?
How much energy does it take to travel the same distance at different speeds?
How is a Bohr model different from an Electron Cloud Model?
What is the energy of the light impulse when it emerges from the fibre?
Is a glass breaking due to drastic temperature change similar to the body going into shock?
Please explain how and show at least how to start the problem?
What is the average orbital velocity of the earth when compared to the turning speed of the sun?
How do you calculate work without knowing the force?
What is the difference between glass filled nylon and kydex?
What is the physics of static electricity? Why do electrons jump from one object to another?
How much time does it take for the package to reach the ground in s?
What is the formula to convert atomic percent to weight percent?
How to improve the method investigating the length of Wire affecting Voltage?
What is the distance that a projectile lands from its origin?
What is the smallest angle to have so there is no slipping?
How are the lines of a magnetic field produced by a long straight wire carrying a current oriented?
What happens if you would accidentally swallow little pieces of glass?
How much energy is released when an antimatter atom and a regular atom collide?
How to distinguish between a partially polarized light and a completely polarized light?
What is the current necessary to float the wire?
How to identify which one is the high frequency transformer, just by inspection?
How was it discovered that the speed of light is constant relative to everything?
How much must the temperature of the ring be increased for it to slide past the knuckle?
How is it that you can actually see and hear the difference between hot and cold water?
What is the line to ground voltage in a delta wire configuration?
How much energy is required to change the separation between the centers of 2 basketballs?
How big of a magnifying glass do you need to start a fire?
How do you find the relative velocity for a swimmer down by the river?
What is the normal force exerted by the seat of the car?
What is the minimum work needed to push a 950 kg car 930 m up along a 8.0 degree incline?
How many seconds will it take a ball to roll down an inclined plane?
What is the strange feeling I experience on my skin when standing under power lines?
What is a good replacement for aluminm in the commutator of a motor?
What is the natural resonant frequency of the ionosphere?
How to find the potential difference across each resistor?
What wavelength of light is needed to resolve a 10nm object?
What is the angular velocity and tension?
How is current related to potential difference in a circuit?
How do I find out the direction of the current in a solenoid?
What is the minimum possible pressure in a venturi tube?
How would I calculate the coefficient of static friction for the following?
How many of turns of wire do you need to use the Earth's magnetic field to lift you up?
How much total force does the gravitational field exert on the surface of the earth?
What is the total magnification of a microscope?
How long does it take for the top to complete the first five revolutions?
How do you find horizantal motion and and how long an object is in motion?
How fast is the sphere moving when it reaches the bottom of the incline?
How much time will pass until a standing wave fills the entire length of the string?
How many Joules of energy are imparted to every individual electron moving through a 9 volt battery?
What is the angle of reach for a projectile fired from elevation?
What is the average angular velocity of one of the mandibles of the trap-jaw ant when the mandibles snap shut?
What entropy change occurs when 800 J of energy is transfered by radiation from the sun to the earth?
What would happen if all the fat people on earth fell over at the same time?
What is the significance of ballistic test in crime investigation?
What is the difference when light is relfected off a plain white surface and off mirror surface?
What could have changed the spin of the earth to change a perpetual summer to the present 4 seasons?
What is the maximum strength a bone can withstand?
What is the spacing of the slits in the diffraction grating?
What is the magnitude of the electric field the positive charge feels from the electron?
What is the temperature coefficient of resistance of the material?
What makes substances have different colours?
What happens when an unstopable force hits an unmovable object?
How does comparing synchronized clocks at different velocities prove that time is relative?
What happens to the energy of a raindrop as it falls?
What happens to light bulbs connected in a series as more are added?
What is the potential energy and electric potential of a pair of charges?
What are four energy transfers which take place at an oil-burning power station?
How fast is it possible for a human to free fall?
What is the smallest resistance you can make by combining these resistors?
What defines the eleven dimensions of the universe?
How to find the angle of refraction for a given angle of incidence?
What is the smallest a star could be and still support livable planets/planetoids?
How does battery-charging without physical contact work?
What work is done by the friction force against the wheels?
How can I make my waltzer car spin faster?
How to tell is displacement and time are proportional or directly proportional?
How do you find current in a conducting loop?
What's the difference between the sunlight and the fluorescent?
What is the maximum distance that the man can walk along the plank without the wire snapping?
What is the best colour to wear in a hot climate?
What is the maximum current through the inductor as the circuit oscillates?
What would happen if you were to detonate a nuke deep underwater?
What would happen if you jumped in a moving train?
What is the best way to make an electronic devide that I built go on and off really quickly?
How would I find the focal length of a converging lens using a distant tree visible through a window?
How do I create a balloon powered vehicle?
What is the average velocity of a moving object?
How fast must you project an object for it to reach a height equal to the moon's distance?
How much does it cost to leave a lightbulb on physics problem?
How does the temperature of a tyre affect the pressure of a tyre?
What's the difference between a light water and a heavy water nuclear reactor?
What are the typical effects to metal hitting brick?
How to solve a problem for an increase in temperature?
How do you find the average net force on the ball during the collision?
How fast is the electron moving just before it reaches the positive plate?
What is the fastest speed the human eye can see?
What is the difference between constructive and destructive interference in terms of sound quality?
How do you create a wormhole? Do you have to punch a hole through spacetime?
What causes the clicking sound when you are winding up a clockwork object?
What's the difference between Gravitational potential and Gravitational potential energy?
What was the magnitude of the average friction force on the box?
What would happen if an object is bigger than a Black hole and touched it?
What?s the difference between source charge? and point charge?
How does a Physicist differ from a Mathematician in terms of using Math?
What is the velocity of the first car after the collision?
What is the gravitational torque of a person leg when sitting down?
How to muffle the sound of rain falling on a plastic roof?
What causes the wavelength of incoming solar energy to change when reflected from a surface?
Physics help - How long does it take an electron to complete a circular orbit perpendicular to a 1.9G magnetic?
Could anybody show me how to work out a question about constant acceleration?
what is the maximum value of the kinetic energy of a released electron?
What is the difference between Potential Energy and Kinetic Energy?
What's the difference between red, green and blue laser?
What would happen in a high speed collision between two equal objects?
How do you find the displacement of a swimmer swimming perpendicular to the rivers flow?
What is the concept of time, How does it begin to change at speed comparable to speed of light?
What is the easiest and most effiecient way to construct a trebuchet?
What kind of energy transfers occur on a roller coaster?
How far on average does a bullet travel once shot up into the air?
How to account for a moving object whose weight varies with time and is moving inside fluid of viscocity u?
What is the use of locating the center of gravity? How can we apply its concepts in our everyday life?
What's the difference between am and fm radio stations?
How can I test which liquids conduct electricity better than others?
How would you work out the average charging current of a capacitor?
What is the difference between Light and Radio waves since both are EM waves ?
What is a wavefront in simple form, and what about wavefront sensing?
How much energy can i store in one of the plates in the battery michio kaku designed?
What happens if light travels from a low refractive index to a higher refractive index?
How to calculate the force exerted on the wall?
How do you measure the distance of an earthquake using the p nd s wave differences?
What are the skematics and compositions of an infinite pendulum?
What are the tangential and normal components of the total force?
What impulse was delivered to the soccer ball by the player?
How can I find out which handheld blenders create the best vortex effect?
Why does a pinhole camera with many holes show lots of images of a filament?
What does it mean to have an inverted image and an erect image?
Force is measured in derived units called newtons. What are the fundamental quantities needed to dtermine forc?
How do you calculate the work done by the friction foce,and the work done by the force of gravity?
What is the dielectric constant of the material used to fill gap between plates?
What types of advanced mathematics are useful to a physicist?
How much time will it take for the police officer to reach the speeder?
What is it about acceleration being present and gravity being ignored?
Why does a thrown football have both potential and kinetic energy. What is the combined energy called?
How to get stagnate hot air moving out of the room and cold air in?
How can the equilibrium constant Kc remain constant if the pressure increases?
The door on a microwave oven is basically a double layer of safety glass?
How exactly new particles are produced in quantum physics after collision of other particles?
How to determine total energy given a battery voltage and 2 capacitances?
What is the radio frequency that most broadcasting stations wont use due to unusual transmissions?
What is the capacitive reactance of the capacitor?
What's the difference between centripetal and centrifugal force?
What is the speed of the heavier fragment just after the explosion?
What is the characteristic of waves that makes the same note sound different on different instruments?
How do you find velocity of a vehicle based on the speed and angle of the rain outside?
What is the total orbital energy of this satellite? Extra energy to put it into parabolic orbit?
How long will it take the signals to travel to another celphone that is 100 km away?
What is the purpose of semiconductors in integrated circuits?
What is the magnitude of the electric force between the spheres?
How do you find acceleration for physics?
What does force in a friction problem equal in a Kinematic equation?
How do I calculate the average velocity?
What is the difference between flourescent and Incandescent?
What provides slight focusing to sharpen the image on a microscope?
What is the average kinetic energy per atom of helium gas at a temperature of 23 C?
How do I find the tension of the left wire and right wire in this problem?
How could a knowledge of physical science be useful to a muscian or a photographer?
How does the censors that capture the heart electrical activity on a ECG work?
How large was the horizontal friction force that the ground actually made on the hurdle?
How can I build a machine than generates electricity on a budget?
Where does magnetic attraction get its energy from?
What is the result of connecting a voltmeter across a resistor?
If transverse waves can only propagate in a solid why can I see objects in water?
How to calculate mass of a particle after an inelastic collision at relativistic speeds?
How to find the coefficient kinetic friction?
What is the algebraic relationship for resistance and voltage in electric circuits?
What is the smallest value of the film thickness that satisfies this condition?
What does this statement mean: a stationary charged particle does not interact with a static magnetic field?
What is the magnitude of the centripetal acceleration of the stone?
What is energy and how does it influence matter?
Can a massless energy, such as light, have the opposite effect upon space that a gravitational body has?
What was the mathematical chance of a planet that is conductive to life (earth) existing by chance?
What happens to a gymnast's angular momentum when he changes his body configuration during a somersault?
What is the kinetic energy of MB just before it reaches the floor ?
What are the physical effects of an electron being stripped from an atom?
What is the difference between centripetal force and centrifugal force?
How much heat does the helium absorb during this temperature change?
What would happen if two or more solar cells having different potentials are connected in parallel?
How long does it take to reach maximum freefall speed?
What really happens when you fall down an up escalator?
What is the magnitude of the electric field between the electrodes when the plates are charged to a potential?
What is the velocity of an unladen swallow?
How do really powerful microscopes and telescopes work?
What happens if two same power jet engines are welded together?
What is the equation of the particular solution for the motion of the mass with resonance?
What happens when a star generates more energy than it radiates?
What is the minimum value of quantized energy?