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A 0.056 kg aluminum bullet traveling at 462 m/s strikes an armor plate and comes to a stop. If all its energy is converted to heat that is absorbed by the bullet, what is the bullet's temperature change in degrees Celsius?
A conducting rod AB sliding with constant speed v=2m/s on conducting rails in a uniform magnetic field with B= 0.15T. What is the current in the rod
A 4700000 kg spaceship moves away from Earth with a speed of 0.71 c. What is the magnitude of the ship's classical momentum
A car owner forgets to turn off the headlights of his car while it is parked in his garage. how long will it take the battery to completely discharge
A skier of mass m glides down a hill of slope ? at constant speed. If she travels a distance d down the hill, what is the work done by friction
Determine the efficient spring constant of the molecule
Two parallel wires of length 17 m are separated by a distance of a = 0.13 cm, What is the magnetic force on each wire
Two people stand 3 m away from a large plane mirror and spaced 3.8 m apart in a dark room. At what angle of incidence should one of them shine a flashlight on mirror so that the reflected beam directly strikes the other person.
A tennis ball gun launches tennis balls at 18.8m/s . It's pointed straight up and launches one ball; 2.0s later, it launches a second ball. What is the first balls' velocity at that point
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 205 N/m. Find the spring constant of spring 2.
A 43 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 17 m apart but connected by a rope of negligible mass. What is the acceleration of the girl
The coherent green light of wavelength 650 nm illuminates two narrow slits in a screen. The slits are separated by 0.08 mm. A thin transparent plastic film (index of refraction 1.3) covers one slit. The light from the slits reaches a screen 1.0 m awa..
A proton accelerates from rest in a uniform electric field of 680 N/C. At some later time, its speed is 1.42 106 m/s. How long does it take the proton to reach this speed
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