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A bedroom bureau with a mass of 37 kg,including drawers and clothing, rests on the floor.
(a) If the coefficient of static frictionbetween the bureau and the floor is 0.45, what is the minimum horizontal force a person must apply to start the bureau moving?
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
What must the charge (sign and magnitude) of a 1.46 g particle be for it to remain stationary while placed in a downward-directed electric field of magnitude 690.
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 115, Find the maximum speed that the car can have without slipping
A 66.0 kg person throwsa 0.0400 kg snowball forwardwith a ground speed of 32.0 m/s. A second person, with a massof 59.0 kg, catches thesnowball. Both people are on skates. The first person is initiallymoving forward with a speed of2.00 m/s, and th..
a runner accelerates to a velocity of 5.30 ms due west in 3 s. his average acceleration is 0.643 ms2 also directed due
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, your 1200 square ft house might lose heat through the walls at a rate of 4000 W.
A 4.5- kg box of books is pulled up a 3.66- m-long inclined plank to a height of 1.4 m. What percent of the work is lost to friction
a child loses his balloon which rises slowly into the sky. if the balloon is 16 cm in diameter when the child loses it
Draw the situation and define a workable set of generalized coordinates that could be used to solve the problem of a child on a swing using the Lagrangian method.
A 70 kg crate is dragged across a floor by pulling on a ropeattached to the crate and inclined 19° above the horizontal.(a) If the coefficient of static friction is 0.54,what minimum force magnitude is required from the rope to start thecrate moving?..
question an electron and a 0.0500-kg bullet each have a velocity of magnitude 450ms accurate to within 0.0100. within
A model rocket rises with a constant acceleration to a height of 3.2m, at which point its speed is 26m/s. How much time does it take to reach this height
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