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A 2700 kg satellite orbits the earth at a distance of 18000 km from the earth's center at a speed of 4700 m/s. What is the force acting on the satellite?
One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 7.5m/s , What were the original speeds of the two cars
A solid disk of radius 1.60 m and mass 2.3 kg rolls without slipping to the bottom of an inclined plane. what is the height of the inclined plane
Assuming that the atom was initially at rest, determine the recoil speed of the hydrogen atom when it emits this photon
A balloon of volume 4.4 m3 contains argon gas at a pressure of 4.4 105 Pa and room temperature (20°C). What is the total internal energy of the gas? J
The length of a string is 456 cm. It is held ?xed at each end. The string vibrates in three sections; i.e., the string has three antinodes and string vibrates at 180 Hz.
A person is riding a bicycle, and its wheels have an angularvelocity of +18.5rad/s. What is the angular acceleration of each wheel
A coil lies flat on a level table top in a region where the magnetic field vector points straight up. The magnetic field suddenly grows stronger. When viewed from above, what is the direction of the induced current in this coil as the field increases..
You are driving down a road at a constant speed of 17.8 m/s and another car drives toward you. obtain what frequency do the people in the other car hear
a person moves a full sam's club shopping cart mass=80.0 kg from rest to a velocity of 1.30 m/s over a distance of 1.80 meters to secure a spot in check out line. Determine the change in the chart's momentum
A 6.00-kg object oscillates back and forth at the end of a spring whose spring constant is 76.0 N/in. An observer is traveling at a speed of 1.90x108 m/s relative to the fixed end of the spring. What does this observer measure for the period of os..
q1. two trains each having a speed of 38 kmh are headed at each other on the identical straight track. a bird that can
A circular saw blade completes 1200 revolutions in 40 rm s while coasting to a stop after being turned off. Assuming steady deceleration, what are (a) angular deceleration and (b) initial angular speed.
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