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Q. You are in a space shuttle 300km above the Earth's surface. What is g at such an altitude? What would g be if you were in the Moon's orbit? Evaluate your answers to the value of g on the Earth's surface.
Q. A diving board length = 5.60 that weighs 250 is supported by two pillars. One pillar is at the left end of the diving board; the other is distance = 1.65 away. Determine the magnitude of the force exerted by the left pillar while an 80.0 diver stands at the far end of the board.
A hotel elevator ascends 110 {rm m} with a maximum speed of 4 {rm m/s}. Its acceleration and deceleration both have a magnitude of 1.20 {rm m/s^2}.
A 1.2 kg mass attached to a spring oscillates with amplitude of 6.3 cm and a frequency of 1.1 Hz. What is its energy of motion.
Planet Z is 12,000 km in diameter. The acceleration due to gravity on Planet Z is 7.0 m/s2.
An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 37 mm and 92 mm. The electric potential of the inner conductor regarding the outer conductor is -574 V.
A gasoline engine absorbs 2,600 J of heat and performs 1,000 J of mechanical work in each cycle. Find the total of heat expelled in each cycle.
A particle of mass m is attracted to a force center with force of magnitude k/r2. Use plane ploar coordinates and find Hamilton's equations of motion.
Suppose you wish to lean a 3.00 m ladder against a smooth, vertical wall. The ladder's center of gravity is 2/3 of length from the top. If the coefficient of static friction between the ladder and the floor is 0.60, what is the largest angle ladde..
What is the greatest distance foot of the ladder can be placed from the base of the wall without the ladder immediately slipping.
What is an average speed of the runner
White light containing wavelengths from 405 nm to 760 nm falls on a grating with 8000 lines/cm. How wide is the first-order spectrum on a screen 2.20m away.
A passenger train is travelling at 31 m/s when the engineer sees a freight train 351 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.6 m/s.
What is the charge on each electrode.
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