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A 1.80 kg rubber ball is dropped from a height of 3.50 m and bounces off the floor. If the ball does not lose any energy in the bounce, and if the bounce takes 0.0500 seconds, find the average force exerted by the floor on the ball during the bounce.
A ball rolls across a floor with an acceleration of 1.00m/s^2 in a direction opposite to its velocity. The ball ahs a velocity of 4.00m/s, What was the inital speed of the ball
a light spring whose unstretched length is 2.0 cm. You're going to use this spring to measure charge. First, you attach one end of the spring to the ceiling, What is the charge on the ball
An object is thrown upwards with a speed of 13 m/s. How long does it take to reach a height of 4.0 m above the projection point while descending?
A child playing tee ball hits a stationary 65 {\rm g} ball with a 300 {\rm g} bat swinging initially at 4.0 {\rm m/s}. What's the bat's post-impact speed
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
An RLC circuit shown above with a peak voltage of 240 V, f = 60 Hz, R = 100 Kilo Ohms, L = 0.5 mH, C = 200 micro F, What is the linear resonant frequency of the circuit
A grandfather clock is controlled by a swinging brass pendulum that is 1.3 m long at a temperature of 30.°C. What is the change in the length of the pendulum rod
A car tire makes contact with the ground on a rectangular area of 12 cm by 18 cm. The car's mass is 1050 kg. What pressure does the car exert on the ground
An electron of mass 9.11x10^-31 kg has an initial speed of 3.00x10^5 m/s. Determine the magnitude of the force exerted on the electron
A certain alarm clock ticks four times each second, with each tick representing half a period, What is the torsion constant of the coil spring and What is the moment of inertia of the balance wheel about its shaft
A Piece of ice of mass mi at 0 C is placed in water of mass mw at 20 C. The system is in a container of negligible heat capacity, what is the equilibrium temperature of the system
A 5kg steel ball strikes a wall with a speed of 8m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ..
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