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An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00 m/s on a smooth, slippery surface. The 22.5-g arrow is shot with a speed of 35.5 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target?
=_____m/s
Two blocks are in contact on a frictionless table. A horizontal force F is applied to m1. If m1 = 1.66 kg, m2 = 3.72 kg, and F = 6.25 N, find the magnitude of the force between the two blocks
q1. a bucket filled with water has a mass of 20 kg and is attached to a rope which in turn is wound around a 0.050-m
apart, the first being 3 feet from a basket. If the basket and all of the stones are in a straight line, how far does a person travel who starts from the basket
A 20 g ball of clay traveling east at 8.0 m/s collides and sticks togethor with a 20 g ball of clay traveling north at 8.5 m/s. What is the speed of the resulting ball of clay
An electron drops from the L shell to the K shell and gives off a K X-ray with a wavelength of 0.2510 nm. What is the atomic number of this atom
You are running an experiment that uses an accelerator that produces a 3.50-µA proton beam. Find the amount of energy delivered to the target each second
A small block of aluminum (of mass 0.08 kg and specific heat 900 J/kg·K) at 365 K is placed in a container of water (of mass 0.125 kg and specific heat 4186 J/kg·K) at 273 K. What is the final temperature of the two bodies
A laser used in a holography experiment has an average output power of 5.25 mW. Calculate the energy (in joules) radiated with each pulse
Two particles lie on an x axis, particle 1 at x = 1 m and particle 2 at x = 2 m. what happens to the center of mass of the two-particle system
A 23 bullet traveling 240 penetrates a 4 block of wood and emerges going 170. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
An ore car of mass 4 000kg rolls downhill on tracks from a mine. At the end of the tracks, 10 m lower in elevation, is a spring with k = 400 000 N/m. How much is spring compressed in stopping the ore car? Ignore friction.
A soldier has a huge contraption that notches a large 4 kg arrow (it looks more like a lance) in a massive bow and uses a winch system to draw the arrow back to set the bow. What is the speed of the arrow
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