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While leaning out a window that is 5.5 m above the ground, you drop a 0.60-kg basketball to a friend at ground level. Your friend catches the ball at a height of 1.0 m above the ground. Determine the following.
(a) the amount of work done by the force of gravity
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(b) the gravitational potential energy of the ball, relative to the ground when it is released
(c) the gravitational potential energy of the ball, relative to the ground when it is caught
(d) the ratio of the change (PEf ? PE0) in the ball's gravitational potential energy to the work done on the ball by the force of gravity?
The cylindrical beam of a 80.0 mW laser is 0.80 cm in diameter. What is the rms value of the electric field
What quantum number of the hydrogen atom comes closest to giving a 100- nm-diameter electron orbit, What is the electron's speed in this state
When my car has been parked for a while, its tires look a wee bit ‘low,' and, when their pressure is measured at 23 C, What is the temperature of the air inside the tires
W hat is the velocity of the gasoline in the tube
while unloading furniture, a worker slides a heavy box down the ramp on the rope. find the mass of the box
Two joggers run at a constant velocity of 7.5 m/s toward the east. At time t=0, one is 15m east of the origin and te other is 15m west.
A simple harmonic oscillator has a restoring force of 360 N/m and a mass of .59kg. What will be its maximum displacement from equilibrium
A solid, horizontal cylinder of mass 11.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
In an electric shaver, the blade moves back and forth over a distance of 2.0 mm in simple harmonic motion, with frequency 122 Hz. find the magnitude of the maximum blade acceleration
You have a string with a mass of 0.0133 kg. You stretch the string with a force of 9.81 N, giving it a length of 1.87 m. find the wavelength of the standing wave you create in the string
how far from the edge f the dock can theboy move until the plank is just on the verge of tipping? Explain how can the boy test this conclusion without falling in the water?Explain
A tiger leaps horizontally from a 5.90 m high rock with a speed of 4.10 m/s. How far from the base of the rock will she land.
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