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A pump is required to lift 20 kilogram of water per minute through a height of 4.00 meter. Find what output power rating in watts should the pump motor have?
a 50.0-kg block is being pulled up a 13.0deg slope by a force of 250 n which is parallel to the slope. the coefficient
A bicycle wheel of radius 0.30m is spinning at a rate of 60 revolutions per minuit. What is the period of the wheels motion
A pair of oppositely charged parallel plates are separated by a distance of 5 cm with a potential difference of 550 V between the plates. A proton is released from rest at the positive plate at the equal time that an electron is released from rest..
A dynamite blast at a quarry launches a rock straight upward, and 2.1s later it is rising at a rate of 14m/s. assuming air resistance has no effect on the rock, compute its speed.
A 1.20 brick is sliding next to on a rough horizontal surface at 15.0 .If the brick stops in 4.30, how much mechanical energy is lost?
A gas is enclosed in a container fitted with a piston of cross-sectional area 0.150 m2. If the internal energy of the gas decreases by 6.40 J, find the amount of heat removed from the system by heat during the compression
A solid, uniform ball of mass 16.9 kg and radius 0.35 m, rolls without slipping up a hill of height 16.5 m, as shown in the figure. At the bottom of the hill the ball has a velocity of 26.1 m/s. At the top of the hill, it is moving horizontally, a..
Your spaceship lands on an unknown planet. To determine the characteristics of this planet, Express the planet's mass in terms of the earth's mass
q1. what is the fundamental frequency of a 0.30 m long organ pipe that is closed at one end when the speed of sound in
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 crate of mass 45.0 kg is being transported on the flatbed of a pickup truck. The truck accelerates forward on level ground. What is the maximum acceleration the truck can have so that the crate does not slide relative to the truck's flatbed
A uniform electric field of magnitude 271 V/m is directed in the negative x direction. What was the change in the potential energy of this charge
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