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Standing on the surface of a small spherical moon whose radius is 6.30 104 m and whose mass is 8.00 1018 kg, an astronaut throws a rock of mass 1.96 kg straight upward with an initial speed 41.4 m/s. (This moon is too small to have an atmosphere.) What maximum height above the surface of the moon will the rock reach?
A merry-go-round is stationary. A dog is running on the ground just outside its circumference, moving with a constant angular speed of 0.775 rad/s. At what time will the dog reach the bone
whose third coordinate is the vertical displacement between the planes. Consider east to be the positive x axis and north to be the positive y axis.
A 0.600 kg block is attached to a spring with spring constant 18 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
Runner A is at first 5.4 km west of a flagpole and is running with a constant velocity of 2.6 km/h due east. Runner B is initially 3.0 km east of the flagpole and is running with the constant velocity of 8.8 km/h due west. What would be the distance ..
A man begins pushing a box from rest up a ramp angled at 22 degrees from horizontal, exerting a constant force of 500N, with what average force will it hit the ground
Two cars travel in the same direction along a straight highway, one at a constant speed of 55 mi/h and the other at 70 mi/h. How far must the faster car travel before it has a 15-min lead on the slower car
Estimate the air pressure at the cloud base from the problem 1 assuming isothermal atmosphere with the average temperature between the cloud base and the surface
A 62 kg person on skis starts from rest down a hill sloped at 40° from the horizontal. The coefficient of friction between the skis and the snow is 0.10.
Consider two strings on a violin. They are the same length and have the same tension. What is the mass density of the second string
A 525-? resistor, an uncharged 1.50-µF capacitor, and a battery with an emf of 6.31 V are connected in series, What is the current after one time constant
A 1.15-k? resistor and a 590-mH inductor are connected in series to a 1250-Hz generator with an rms voltage of 13.1V, What is the rms current in the circuit
A performer seated on a trapeze is swinging back and forth with a period of 8.85 s. what will be the new period of the system
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