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A uniform cord has a mass of 0.300 kg and a length of 6.00 m (see Figure below). The cord passes over a pulley and supports a 2.00-kg object.
a) Find the speed of a pulse traveling from the wall to the pulley? Would the speed of a pulse be different for the shorter segment between the mass and the pulley? Explain.
b) Find the time it takes the pulse to travel from the wall to the pulley.
The electric motor of a model train accelerates the train from rest to 0.720 m/s in 27.0 ms. Find the average power delivered to the train during its acceleration
Calculate the energy of a photon required to excite a hydrogen atom from the n = 5 state to the n = 6 state
define the effect of inertia on how far each can rolls.
The length of a simple pendulum is 0.73m, the pendulum bob has a mass of 307 grams, and it is released at an angle of 12° to the vertical. With what frequency does it vibrate? Assume SHM. What is the pendulum bob's speed while it passes through th..
A football quarterback is moving straight backward at a speed of 2.0 m/s when he throws a pass to a player 20.0 m straight downfield. How long does it take to get to the receiver
A uniform field E = -170000 j N/C exists between two plates of length L = 3 cm. Find the angle at which it emerges
A satellite is placed between the Earth and the Moon, along a straight line that connects their centers of mass. The satellite has an orbital period around the Earth that is the similar as that of the Moon, 27.3 days. How far away from the Earth m..
Find the work done by 2.54 moles of an ideal gas if its volume doubles at a constant temperature of 23.6°C. Find the heat absorbed by the gas
In order to calculate th number of ways of arranging a given amount of energy in a tiny block of copper, How many atoms are in the copper block
The water passing over Victoria Falls, located along the Zambezi River on the border of Zimbabwe and Zambia, How much internal energy is produced per kg as a result of the fall
Bill is farsighted and has a near point located 110 cm from his eyes. what is the closest object that can be seen clearly by Anne when she wears Bill's glasses
A mass of 1.0 kg is dropped from a height of 8.0 m above the top of a spring of constant k=200 N/m mounted vertically on the floor. Find the springs maximum compression
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