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You are standing in a street intersection watching a (very fast) car approach at a speed of 0.5c. The car first shoots a laser photon torpedo at you and then releases a very fast missile also towards you at a speed of 0.7c as measured from the car.
1. At what speed do you see the missile approaching?
2. At what speed do you see the photon torpedo approaching?
a quantity of water is poured into a graduated cylinder which then reads 129 ml. what is the mass of the water in
The burning of gasoline in a car releasesabout 3.0 * 10^4 kcal/gal. what is the efficiency of the engine under those conditions
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
A 10-turn ideal solenoid has an inductance of 3.5 mH. When the solenoid carries a current of 8.0 A the magnetic flux (in mWb) through each turn is
consider a metal in which electrons are well described in terms of independent electrons moving in a periodic
Carbon disulfide (CS2) has a vapor pressure of 300 Torr at room temperature (almost half of atmospheric pressure). estimate the average time between collisions that the gas is experiencing inside the test chamber
Some European trucks run on energy stored in a rotatingflywheel, with an electric motor getting the flywheel up to its topspeed of 200rad/s. What is the kinetic energy of the flywheel after charging
A five-slit system with 7.2 micrometers slit spacing is illuminated with 655nm light. Find the angular positions of the third and sixth minima
define the magnitude of the acceleration of the block. What is the electric ?eld strength.
A spacecraft has a nonrelativistic (or classical) momentum whose magnitude is 1.5 × 1013 kg·m/s. Find the relativistic momentum of the spacecraft
Two different simple harmonic oscillators have the same natural frequency (f=2.60 Hz) when they are on the surface of the Earth. Calculate the new frequency of the vertical spring and mass
A skier is gliding along at 5.0 m/s. On horizontal, frictionless snow. He suddenly starts down a 11 degree incline. His speed at the bottom is 15m/s.
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