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A 9.5-kg monkey is hanging by one arm from a branch and is swinging on a vertical circle. As an approximation, assume a radial distance of 75 cm between the branch and the point where the monkey's mass is located. As the monkey swings through the lowest point on the circle, it has a speed of 3.2 m/s.
(a) Find the magnitude of the centripetal force acting on the monkey.
(b) Find the magnitude of the tension in the monkey's arm?
The position function x(t) of a particle moving along an x axis is x = 4.0 - 4.5t2, with x in meters and t in seconds. 1) At what negative time does the particle pass through the origin? 2) At what positive time does the particle pass through the ..
An object with a density of 461.0 kg/m3 and a mass of 2083.0 kg is thrown into the ocean. Find the volume that sticks out of the water
A 4 kg mass is hung from a string which is wrapped around a cylindrical pulley (a cylindrical shell). If the mass accelerates downward at 4.90 m/s2, what is the mass of pulley.
what is a catapult ? what is the traditional use of a catapult ? when were catapults in greatest use ? what
To reach the rack, the ball rolls up a ramp that rises through a vertical distance of h = 0.547 m. What is the linear speed of the ball when it reaches the top of the ramp
In a test run,a certain car accelerates uniformly from zero to 20.2m/s in 2.95s. How long does it take the car to change its speed from 10.01m/s to 20.02m/s
Assuming constant temperature, as a helium balloon rises through the air: (Select all that apply.) The air pressure inside the balloon decreases. The air pressure outside the balloon decreases. The air pressure outside the balloon increases. The air ..
A laser used in a holography experiment has an average output power of 4.93 mW. Calculate the energy (in joules) radiated with each pulse
A 3kg and 2kg cart approach each other on a horizontal air track. they collide and stick together. what is speed of their center of mass
A 1500 -kg automobile travels at a speed of 75 -km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop.
Formulate the double-pendulum problem illustrated by fig (1.4) , in terms of the Hamiltonian and Hamiltonian's equations of motion. It is suggested that you find the Hamiltonian both directly from L and Eq(8.27)
A heat engine operates between a cold reservoir at 10 C and a hot reservoir at 200 C. how much heat must be exhausted as waste
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