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A golf ball has a mass of 0.05 kg. It is initially at rest, but after being struck by a golf club it is given a speed of 30 m/s. The club and the ball are in contact for 2 ms (.002 seconds).
a) What is the average force acting on the ball?
b) What is the impulse of the net force on the golf ball during its contact with the golf club?
What is the electric force between a glass ball that has +2.9 µC of charge and a rubber ball that has -4.7 µC of charge when they are separated by a distance of 3.8 cm?
A 11.0 kg monkey starts to climb a long rope to reach a banana located at a height of 6.50 m, Calculate the least amount of time the monkey could take to reach the banana without breaking the rope
the relativity twins simplicio and salviati are taking separate spaceships to another planet which we have measured to
A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the tooth is formed 8.0 cm behind the mirror. Decide the mirror's radius of curvature. Decide the magnification of the image.
5.0kg of water at 32?C is mixed with 5.0kg of water at 52?C in a well-insulated container. Estimate the net change in entropy of the system
A thin film of oil (n = 1.22) is located on smooth, wet pavement. When viewed from a direction perpendicular to the pavement, the film reflects most powerfully red light at 640 nm and reflects no light at 512 nm. What is the minimum thickness of the ..
A railroad car fo Mass M=2000kg and speed V0= 8.50m/s collides and couples to another car of equal mass and initially at rest. What is the final speed of the two couple railroad cars
neutrons of 1.5 mev energy are introduced at the rate of 2x1015 neutronscm3sec into an infinite slab of graphite.
a swimmer is capable of swimming 0.60 ms in still water.a if she aims she aims her body directly across a 55 meter wide
A traveler first drives 19.4 km east, then 29.7 km southeast, and finally 9.9 km south. Find the traveler's total displacement
If the string makes an angle of 29? with the vertical, find out the centripetal force experienced by the ball. The acceleration of gravity is 9.8 m/s2 .
Ordinarily there is an electric field in the atmosphere of approximately 100 V/m near the Earth's surface that points downwards. Find the average charge density in the air below 1.4 kilometer
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