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A stream of water sprays like a fountain vertically from asmall hole in a pipe, reaching a height of 2.5 m. Assumingthat the water in the pipe is static, what is the gauge water pressure in the pipe?
Adolf and Ed are wearing harnesses and are hanging from theceiling by means of ropes attached to them. To what height above his starting point does Edrise
The atmosphere on Mars is almost all carbon dioxide (CO2), and has a pressure of about 6.9×102 Pa, what is the mass of one cubic meter of the atmosphere
What is the lowest frequency (in Hz) that will resonate in a 3 m length organ pipe, closed at one end (velocity of sound = 340 m/s) (b) What is the next highest frequency (2nd harmonic)?
An object is dropped from rest from a height of 3.74E+6 m above the surface of the earth. If there is no air resistance, what is its speed when it strikes the earth
A glass is half-full of water, with a layer of oil (n = 1.50) floating on top. Determine the critical angle for the oil-water interface
A ceiling fan is turned on and reaches an angular speed of120 rpm in 20 seconds. Through how many revolutions does the fan turn
A 1.83-kg solid sphere (radius = 0.141 m) is released from rest at the top of a ramp and allowed to roll without slipping. What is its rotational kinetic energy
You are given 65.000 cm of copper wire with diameter 7.0000 mm. compute At what rate is thermal energy generated in the loop
A rifle has a mass of 4.5 kg and it fires a bullet of mass 11.6 g at a muzzle speed of 820 m/s. What is the recoil speed of the rifle as the bullet leaves the gun barrel
A 5 g bullet has a speed of 220 m/s and embeds itself into a 650 g block. What is the speed of the block after the collision
A golf ball hits a wall and bounces back at 1/4 the original speed. What part of the original kinetic energy of the ball did it lose in the collision
Find the energy delivered by a photon of the yellow- green light to which our eyes are most sensitive
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