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An object is initally spinning at 57.7 rad/s counter-clockwise and a constant angular acceleration of 2.5 rad/s2 is applied to it clockwise. How many revolutions will the object make before it stops?
A simple Pendulum has a mass of 2.00 kg. The mass has a speed of 3.00 m/s, What is the maximum height (from the lowest position) the pendulum will reach
The semiconducting compound ZnS is widely used for ultraviolet light emitting diodes (LED's). find the frequency of light emitted by a ZnS LED
In mid-nineteenth century England horses were often used to pull barges along canals. What is the average power
A Dodge car of mass 1103 kg traveling to the right at 22.40 m/s collides head-on with a Ford of mass 1258 kg traveling at the same speed but in the opposite direction. Calculate its final speed the moment after the collision
Estimate the resolution of the human eye, limited by diffraction. Find the minimum resolvable separation between two points at a distance of 10 m
q1. a series r-l-c circuit of r 200 ohms l 0.900 h and c 2.00 uf carries an rms current of 0.250 a with the
A charged particle of mass 8.39×10?4 kg starts from rest and accelerates through a potential difference of +25,000 V to reach a speed of 1240 m/s
Two tiny conducting spheres with a mass of 15gm each are hanging from non-conducting threads of length 70cm such that they are 4cm apart as shown to the left.
A swimmer at the bottom of a pool 3m deep looks up and sees a circle of light. If the index of refraction of the water in the pool is 1.33, find the radius of the circle.
You shine red laser light with wavelength 670 nm through two narrow slits where the spacing between the slits is 0.005 mm. You use a screen placed far from the slits to detect the interference pattern. What is the smallest angle where the path diff..
You want to take a full-length photo of your friend who is 2.00m tall, using a 35.0mm camera having a 50.0mm lens. How far should your friend stand from the lens
An ore car of mass 4 000kg rolls downhill on tracks from a mine. At the end of the tracks, 10 m lower in elevation, is a spring with k = 400 000 N/m. How much is spring compressed in stopping the ore car? Ignore friction.
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