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A soccer ball is released from the top of a smooth incline. After 4.20 s the ball travels 11.1 m. One second later it has reached the bottom of the incline.
1) Suppose the ball's acceleration is constant and decide its value ( m/s2)?
2) How long is the incline?
a single phase 60 hz source supplies a 90 kva 0.8 power factor lagging load through a transmission line with impedance
1. a parallel-capacitor is connected to a battery. what happens to the stored energy if the plate separation is doubled
a ball of mass m 0.20 kg strikes a wall with an initial speed of 5.0 ms and rebounds in the opposite direction with a
Aluminum rivets used in airplane construction are made slightly larger than the rivet holes and cooled by liquid nitrogen before being driven, find what should be the diameter of a rivet at 20°C
A 1600 kg car traveling eastward at 32 m/s collides at an intersection with a 700 kg motorcycle traveling northward at 45 m/s. What is the direction of the car's velocity after the collision
a spring is hanging down from the ceiling has an object of mass m is attached to the free end of the spring. the object
a 7.00-l vessel contains 3.50 moles of gas at a pressure of 1.60x106 pa. find a the temperature of the gas and b the
cirrus sr20 cruises at 155 kts at 8000 ft geometricnbspaltitude. its wing has span b 38.333 ft sref 144.9nbspft2 amp
Two known charges, -10.9 µC and 46.3 µC, and an unknown charge arelocated on the x axis. Thecharge -10.9 µC is at the origin, and thecharge 46.3 µC isat x = 14.5 cm.
Water at a gauge pressure of P = 3.4 atm at street level flows into an office building at a speed of 0.90m/s through a pipe 5.6 cm in diameter. find the gauge pressure in the pipe on the top floor
A mass of 1.60 kg stretches a vertical spring 0.335 m. If the spring is stretched an additional 0.164 m and released, how long does it take to reach the (new) equilibrium position again.
Ocean waves of wavelength 100 m have a speed of 6.20 m/s; ocean waves of wavelength 20.0 m have a speed of 2.80 m/s. Suppose that a sudden storm at sea generates waves of all wavelengths. How far is the storm from the coast
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