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A 0.064 kilogram block on a horizontal frictionless surface is attached to a spring whose force constant is 330 N/m. The block is pulled from its equilibrium position at x = 0 meter to a displacement x = +0.080 meter and is released from rest. The block then executes simple harmonic motion along the x-axis (horizontal). Compute the velocity of the block at a time t=0.20 second?
An aluminum ring has an inside diameter of 1.793 cm, and an iron rod has a diameter of 1.798 cm, at what common temperature will the ring just slip onto the rod
The electric motor in a toy train requires a voltage of 3.1V .Find the ratio of turns on the primary coil to turns on the secondary coil in a transformer that will step the 110V household voltage down to 3.1V .
Uniform rate of acceleration
Two large, flat metal plates are separated by a distance that is very small compared to their height and width. Find the field outside the plates on either side
a hydrogen atom initially in its ground state absorbs a photon of energy 2.09 x 10^-18 J. Calculate the frequencies of every different photon emitted in this process
Water flowing through a 2.9 cm-diameter pipe can fill a 300L bathtub in 3.6 min. What is the speed of the water in the pipe
The ball is pulled to one side and released to swing as a pendulum, reaching a speed of 5.8 m/s as it passes through the lowest point. Illustrate what is the tension in the rope at that point?
A ball of mass m=0.8kg is tied to the end of a string of length L=0.2m and released when the string is held horizontally. How far will the block slide to the right before coming to rest
Your teacher tosses a basketball. The ball gets through the hoop (lucky shot). How long does it take the ball to reach the hoop
A railroad car of mass 2.45 x 104 kilogram is moving with a speed of 3.97 m/s. Determine how much energy is transformed into internal energy in the collision
an irregular object is suspended by a wire from its center. when a torque of .14 N.m is applied, to the object, find the inertia of the object
A plane flies at 1.95 times thespeed of sound. Its sonic boom reaches a man on the ground 1.00 minafter the plane passes directly overhead. What is the altitude of the plane
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