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Find the recoil speed of the rifle. ________ m/s (b) If a 700-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. ________ m/s
A person pulls a toboggan for a distance of 39.7 m along the snow with a rope directed 33.0 ° above the snow. How much work is done on the toboggan by the tension force
A rifle is aimed horizontally at a target 189.71 m away. The bullet hits the target 0.91 inch below the aim point. What was the bullet's speed as it left the barrel
A 110 grams sample of water at 30 degrees Celcius is heat to steam at 130 degrees Celcius. how much heat is absorbed
The blades in a blender rotate at a rate of 6440 rpm. What is the angular acceleration as the blades slow down
In a period of 1.0 s, 5.0 x10^23 nitrogen molecules strike a wall of area 7.80 cm2. If the molecules move at 270 m/s and strike wall head on in a perfectly elastic collision, find the pressure exerted on the wall. (The mass of one N2 molecule is 4..
The centers of a 12 kg lead ball and a 100 g lead ball are separated by 10 cm. What gravitational force does each exert on the other
q1. what happens to a contracting cloud when its thermal energy can no longer escape clouds interior in the form of
Batman whose mass is 80 kg is dangling on the free end of a 12 m rope, the other end of which is fixed to a tree limb above. How much work was done by the gravitational force on Batman in this maneuver
Suppose manufactures increase in size of compact disks. By what factor will the moment of inertia increase
A swimmer runs horizontally off a diving board with a speed of 3.58 m/s and hits the water a horizontal distance of 1.79 m from the end of the board. How high above the water was diving board.
The dial on an FM radio contains numbers ranging from about 88 to about 108. What is the corresponding range of wavelengths
The position of a 50 g oscillating mass is given by x(t) = (2.0 cm) cos(5t), where t is in seconds. Determine the following. (a) The amplitude. (b) The period. (c) The spring constant. (d) The maximum speed
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