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a 15 g rubber bullet hits a wall with a speed of 150 m/s. The bullet bounces back with a speed of 120 m/s after being in contact with the wall for 0.003 s. What force did the wall apply to the bullet?
What force does the water exert on the man. explain how far does the tongue reach.
A (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table
A 30-06 bullet has a mass of 0.010 kg. If the average force on the bullet is 7200 N, what is the bullet's average acceleration?
Three point charges are located on the x-axis. The first charge, q1= 10uC, is at x= -1.00m; the second charge, q2 = 20.0 uC,, Find the force that each charge is subjected
What is the wavelength of the waves produced on the wire.
A light rope 5m long supports a 30kg mass against gravity. What is the mass per unit length of the rope
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.1 kg and the sign has a mass of ms = 16.6 kg. What is the net force the hinge exerts on the beam
A woman holds a tube of lipstick 2.3 cm from a spherical mirror and notices that the image of the tube is upright and one fifth its normal size, Determine the position of the image. Is it in front of or behind the mirror
A 80 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 4.1 m beneath the surface, find out the average resistance force exerted on him by the water.
A horizontal force of 5.0 N accelerates a 4.0 kg mass, from rest, What friction force acts on the mass
A diver makes 2.5 revolutions on the way from a 11-m-high platform to the water. find the diver's average angular velocity during a dive
In a period of 1 s, 4.00 x10^23 nitrogen molecules strike a wall with an area of 6.30 cm2. If the molecules move with a speed of 300 m/s and strike wall head-on in elastic impacts, what is the pressure exerted on the wall? (The mass of one N2 mole..
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