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A 266.0 gram handball moving at a speed of 5.4 m/s strikes a wall at an angle of 29.0 degree to the normal of the wall and then bounces off with the same speed at the similar angle. It is in contact with the wall for 0.002 second. Find the average force exerted on the wall by the ball?
You are an engineer in charge of designing a new generation of elevators for a prospective upgrade to the empire state building. Before the state legislature votes on funding for the project.
A 13kg box slides 4 m down the frictionless ramp , then collides with a spring whose spring constant is 180Nm.
Cloverleaf exits are approximately circular. A 552 kg automobile is traveling 70 mph while taking a cloverleaf exit that has a radius of 39.3 m. calculate the centripetal force on the car
A block of mass m1 = 1.75 kg and a block of mass m2 = 5.90 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 10.0 kg. These blocks are allowed to move on a fixed block-wedge of ..
Each plate of a parallel-plate capacitor is a square of side 3.17 cm and the plates are separated by 0.551 mm. Find the electric field strength inside the capacitor
consider a uranium nucleus to be a sphere of radius r 7.4 x 10-15 m with a charge of 92e distributed uniformly
Two closely wound circular coils have the same number of turns, How are the self-inductances of the two coils related
A person with a mass of 52 kg runs with a speed of 6.8 m/s jumps onto the outer rim of a merry-go-round. What is the mass (in kg) of the merry-go-round
Identify the magnitudes of the tension force t in the deltoid muscle and the force s of the shoulder on the humerus (upper-arm bone) to hold the arm in the position shown.
a diver springs upward from a board that is three meters above the water. at the instant she contacts the water her
An ideal fluid, with density of 0.85 x103kg/m3, flows at 7.0 m/s through a level pipe with aradius of 0.50 cm. Find the speed of flow in the second pipe
a sniper fires a rifle bullet into a gasoline tank making a hole 56.0 m below the surface of the gasoline. the tank was
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