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A 600 kilogram satellite is in a circular orbit at an altitude of 450 kilometer above the Earth's surface. Because of air friction, the satellite eventually falls to the Earth's surface, where it hits the ground with a speed of 2.40 km/s. Find how much energy was transformed into internal energy by means of air friction?
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. What fraction of the neutron's kinetic energy is transferred to the carbon nucleus
A proton accelerates from rest in a uniform electricfield of 670 N/C. At some later instant,its speed is 1.60 X106 m/s(nonrelativistic, because v is much less than the speed oflight). Find the acceleration of the proton.
question1the suspended 2.2 kg mass on the right is moving up the 1.8 kg mass slides down ramp and the suspended 8.7 kg
An air bubble at the bottom of a lake 39.00 m deep has a volume of 1.00 cm3. what is the volume of the bubble just before it reaches the surface
a person leaning over a 126 m deep well accidentally drops a siren emitting sound of frequency 2450 hz. Just before this siren hits the bottom of the well, What beat frequency does this person perceive
the diameters of the main rotor and tail rotor of a single-engine helicopter are 7.68 m and 1.02 m respectively. the
At the low point in it swing, a pendulum bob with a mass of 0.46 kg has a velocity of 2.2 m/s. What is its kinetic energy at the low point
an infinitely long line of charge has a linear charge density of 7.00times10-12cm . a proton is at distance 16.0cm from
find the acceleration of the bolt relative to the train car
q1. sea launch mission planners are going to launch their russian launch vehicle from a lo 3 degrees into leo with an
A basketball star covers 2.85 m horizontally in a jump to dunk the ball, Determine his horizontal velocity at the instant of takeoff
A manufacturer orders 16,000 kg of copper ingots. What volume does the copper occupy
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