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A ball is thrown horizontally with a speed of Vo = 20.0 m/s from the top of a building of height h = 42.1 meters. When the ball hits the ground, it is traveling with a speed of 35.0 m/s. What is the angle below the horizontal made by the velocity vector of the ball when it hits the ground?
The cliff divers of Acapulco push off horizontally from rock platforms about 35m above the water, What minimum pushoff speed is necessary to clear the rocks
Iodine-131 has a half-life of 8 days while iodine-125 has a half life of 60 days and are both used therapeutically for different purposes. what percentage of the iodine-125 has decayed
A block slides down a frictionless ramp of height 0.37 meters. How far will the block travel from the base of the ramp before the velocity reaches 2.3 m/s
A 250 N force is applied at a37° angle to the surface of theend of a square bar. The surface is 4.00 cm on a side. What is the shear stress on the bar
When 4425 J of heat are added to a 0.16-m-long silver bar, What is the mass of the bar
Soft drinks are commonly sold in aluminium containers. How a lot of such containers are thrown away or recycled each year by U.S. consumers.
Two parallel metal rods form a plane inclined at 20.0° to the horizontal. The upper end of the rods are connected together by a resistor of 122.0 ?. What is the maximum speed of the bar
Two particles execute simple harmonic motion of the same amplitude and frequency along close parallel lines. What is their phase difference
Consider one mole of neon gas at a temperature of 25°C. Assume neon behaves as an ideal, monatomic gas at this temperature. What is the average translational kinetic energy of a neon atom at this temperature? What is the total random translational ki..
What is the ratio of the intensities of an earthquake P wave passing through the Earth and detected at two points 17km and 49km from the source, what is the ratio of the amplitudes
A wave has an amplitude of 0.25 m, a frequency of 5 Hz and a wavespeed of 4 m/s.a. Write the displacement equation for the wave
q1. megans mass is 27 kg. she climbs the 4.8 m ladder of a slide and reaches a velocity of 3.6 ms at the bottom of the
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