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A vertical spring (ignore its mass), whose spring stiffness constant is 820 N/m, is attached to a table and is compressed down 0.180 m.
(a) What upward speed can it give to a 0.300 kg ball when released?
(b) How high above its original position (spring compressed) will the ball fly?
a positive point charge q 6.6 x 10-8 c is surrounded by an equipotential surface a which has a radius of ra 2.7 m. a
question an object weighing 335 n in air is immersed in water after being tied to a string connected to a balance. the
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An 8.0 kg block is released from rest, v1 = 0 m/s, on a rough incline, which has an angle of 40 from the horizontal. How much work gravity do on the block during this process
A noisy grinding machine in a factory produces a sound intensity of 1.0 x 10^-5 Watts/meter^2. Deteremine the sound intensity level
The electric motor of a model train accelerates the train from rest to 0.540 m/s in 31.0 ms. Find the average power delivered to the train during its acceleration
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find the speed of the test charge. find the distance the car travels during this time in m.
The maximum horizontal displacement of the pendulum bob from equilibrium is 3.00 cm. Calculate the quantum number n for the pendulum
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