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A playground carousel is free to rotate about its center on frictionless bearings. The carousel has an angular speed of 3.34 rad/s, a moment of inertia of 125 kg · m2, and a radius of 1.80 m. A 45.0-kg person, standing still next to the carousel, jumps onto it very close to the outer edge. Find the resulting angular speed of the carousel and person.
question1jims dog sparky runs 45.0 northeast to a tree then 70.0 west to a second tree and at last 25.0 south to a
You have a 2.01-m-long stretched string with a mass of 19.5 g. When you oscillate the string at 440 Hz, Calculate the tension in the string
David is driving a steady 28.0m/s while he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady 2.70 at the instant when David passes. How far does Tina drive before passing David.
The air inside a bicycle tirenpumphas 202 joules of work done on it as 66.1 joules of heat is conducted away from it
A concave spherical mirror has a radius of curvature of 7.00cm. Calculate the size of the image
As a spacecraft approaches a planet, the rocket engines on it are fired (turned on) to slow it down so it will go into orbit around the planet. compute how long (in minutes) must the engines be fired
A 11.0-kg object undergoes an acceleration of 2.6 m/s2. What is the magnitude of the resultant force acting on it
A friction-less test track is banked so that cars can move around the track at 37 m/s without slipping up or down the track. find the bank angle
A hot-air balloon is ascending at the rate of 14 m/s and is 57 m above the ground when a package is dropped over the side. How long does the package take to reach the ground
A luge and its rider, with a total mass of 83kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 44m/s. Assume that they stop with the constant deceleration of 2.9 m/s2.
Compute the rms speed of a nitrogen molecule at 16.0 °C. At what temperature will the rms speed be half that value
An L-C circuit containing an 73.5-mH inductor and a 1.05-nF capacitor oscillates with a maximum current of 0.705 A. Calculate the oscillation frequency of the circuit
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