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The coefficients of static and kinetic friction between a 522 N crate and the warehouse floor are 0.715 and 0.420, respectively. A worker gradually increases his horizontal push against this crate until it just begins to move and from then on maintains that same maximum push.
-What is the acceleration of the crate after it has begun to move? Start with a free-body diagram of the crate.
A car of mass m traveling at speed v crashes into the rear of a truck of mass 2m that is at rest and in neutral at an intersection. what is the speed of the combined car and truck after the collision
Pulsed lasers used in science and medicine produce very short bursts of electromagnetic energy. If the laser light wavelength is 1062 nm (this corresponds to a Neodymium-YAG laser), and the pulse lasts for 30 picoseconds, how many wavelengths are ..
Two balls on a pool table collide. The balls have each a mass of 35grs and the collision can be considered elastic and in 1 dimension. If ball 1 is moving at 3 m/s to the right while ball 2 is moving at 1 m/s to the left, what are the final velocit..
Emily has a field with uniformly cut grass of height 2 cm which grows at a constant rate. How long would it sustain each animal alone
What is the "Curie Temperature? Find the Curie temperature for iron, cobalt and nickel
Coherent light with wavelength 546 nm passes through two very narrow slits, and the interference pattern is observed on a screen the distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.86 {rm mm} from the center o..
An object of mass m is moving at a velocity u. This object collides with another object of mass m, find the final velocity for both the classical and relativistic case
A home run is hit in such a way that the baseball just clears a wall 10 m high, located 124 m from home plate, Find the time it takes the ball to reach the wall
An iron bar of mass, 0.37 kg, slides down a frictionless incline 0.67 m high. What is the speed of the combined masses after collision
Wool is rubbed against a plastic ruler. If the plastic ruler acquires a charge of -5 µC, how many electrons have been transferred to the ruler
A cargo plane is flying horizontally at an altitude of 20.0 km with a speed of 888 km/h when a large crate falls out of the rear loading ramp. How far is the crate from the aircraft when the crate hits the ground
A golf ball of mass 0.050 kg is at rest on the tee and has a velocity of 102 m/s immediately after being struck. what was the club velocity before the collision
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