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A rock is tossed straight up with a velocity of 34.5 m/s. When it returns, it falls into a hole 17.1 meter deep.
a) Find is the rock velocity as it hits the bottom of the hole?
b) Find how long is the rock in the air; from the instant it is released until it hits the bottom of the hole?
Consider a conical pendulum with a bob of mass m=82.0 kg on a string of length L=10.0 m that makes an angle of theta=8.00 degrees with the vertical, Determine the radical acceleration of the bob.
Neglect air resistance during the descent. She comes to rest 3.00 m under the surface of the water. Identify the average force that the water exerts on the diver. This force is nonconservative.
Vector F= 3xi + 5j + 5z^2k. How much work is done in moving from r0=(0,0,0) to r1=(3,2,1)? how fast will the object be going
The starship Enterprise speeds by you at a speed of 0.960c. It is measure in your frame to be 100 m long. What will be it's length at rest
That is the sound from the organ bounces back and forth off the church walls many times before the sound inentsity decays away completely. If the reverberation time is 10s and the church has the approximate shape
A coin is placed 32 cmfrom the center of a horizontal turntable, initially at rest. Theturntable then begins to rotate. When the speed of the coin is 100cm/s (rotating at a constant rate), the coin just begins to slip.The acceleration of gravity i..
Establish the initial volume of the gas . What is the magnitude of normal force that each brake pad applies to the rim.
A 67-kg skier coasts up a snow-covered hill that makes an angle of 25° with the horizontal. The initial speed of the skier is 6.5 m/s. After coasting 1.9 m up the slope, What is the magnitude of the kinetic frictional force
A positively charged bead having a mass of 1.00 g falls from rest in a vacuum from a height of 5.00 m in a uniform vertical electric field with a magnitude of 1.00 × 10^4 N/C. The bead hits the ground at a speed of 21.0 m/s. Determine (a) the directi..
You are riding on a Jet Ski at some angle upstream on a river flowing with a speed of 2.8. Assume the Jet Ski is moving at a speed of 12 relative to the water. At what angle should you point the Jet Ski if your velocity relative to the ground is t..
The electric field between the plates of a paper-separated (K=3.75) capacitor is 8.23×104V/m . The plates are 1.90mm apart, Determine the area of each plate
A total of 3.04 106 electrons are placed on an initially uncharged wire of length 1.23 m. find the magnitude of the acceleration of a proton
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