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A rifle with a weight of 30 N fires a 5.0-g bullet with a speed of 300 m/s.
(a) Find the recoil speed of the rifle.
(b) If a 700-N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle.
Suppose you have a rectangular wooden block with dimensions 8.0 cm x 8.0 cm x 9.0 cm that has a density of 0.85 x 10^3 kg/m^3. What is the volume of the wood in the wooden block
The donor paid gift tax of $14,000 on the transfer. If Laura later sells the property for $110,000, illustrate what is her recognized gain or loss?
A mass of 20g is attached to a spring, and undergoes simple harmonic motion with a period of T=0.7 s. What is the force constant of the spring
A man stands on a platform that is rotating (without friction) with an angular speed of 1.1 rev/s; his arms are outstretched and he holds a brick in each hand. What provided the added kinetic energy
The ball is caught 55.3841m from the thrower. The acceleration due to gravity is 9.81m/s square. Explain how long is it in the air?
A player bounces a 0.47 kg soccer ball off her head, changing the velocity of the ball from i = (9.2 m/s) + (-2.7 m/s) to f = (6.1 m/s) + (5.5 m/s). The ball is in contact with the player's head for 6.70ms.
The initial angle of the ball’s motion off the tee is 29.0° above the horizontal. If the tee level is 17.0 m above the level of the fairway, explain how far east of the tee does the ball hit the fairway?
The red block in the %u201CSame Volume%u201D floats in water. what volume of the blue block would float above the water line if the blue block was placed on top of the red block in the water
After the collision, the 2.00-kg object has a velocity 5.00 m/s to the west. How much kinetic energy was lost throughout the collision.
What is the compacitance of a parallel-plate capacitor with area 3.8_dm^2 if the seperation between the plates is 0.54_m
A truck rests on a bridge span whose length between support is 120 feet. Find the upward force exerted by each support pier on the bridge
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. What is your reaction time
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