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Compute the following problem given below:
Problem: A uniform steel bar swings from a pivot at one end with a period of 1.3s.
Part A- How long is the bar?
Please show how you obtained the answer. Thanks.
A puck (mass = 0.3 kg) slides without friction on a horizontal plane. It is attached by a light string (length = 1 m) to a ring on a peg. find the tension in the string as the puck revolves around the peg
To make a bounce pass, a player throws a 0.60 kg basketball toward the floor. what was the impulse delivered to it by the floor
A 30 kg boy rides a roller coaster. The acceleration of gravity is 9.8 m/s^2. With what force does he press against the seat when the car moving at 6.1 m/s goes over a crest
A subway train has a sound intensity level of 90 dB, and a rock band has a sound intensity level of 110 dB. How many times greater is the sound intensity of the band than that of the train
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A 0.400kg glider is moving to the right on a frictionless,horizontal air track with a speed of 0.750m/s when it makes ahead-on collision with a stationary 0.150kg glider. Find the final kinetic energy of second glider
A spring with spring constant 12.5 hangs from the ceiling. A 400 ball is attached to spring and allowed to come to rest. It is after that pulled down 6.80 and released. What is the time constant if the ball's amplitude has decreased to 3.90 after 57...
A car's starter motor draws 55 A from the car's battery when starting up. If the start-up time is 2.4 s, how many electrons pass a location in the circuit during that time
An empty capacitor is capable of storing 1.0 × 10-4 J of energy when connected to a certain battery. how much energy could this modified capacitor store
Estimate the shear stress if this force is ex- erted on a 0.412 cm -thick pine board that is 13.7 cm wide
Two point charges are on the y-axis. A 2.0 µC charge is placed at y =1.35 centimeter, Determine the total electric potential at the point having coordinates (1.50 cm, 0)
You are given a force versus distance graph and the initial velocity at the origin. How do you calculate velocity at any point in time on the graph
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