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Two blocks of masses m1 and m2 hang at the ends of a string that passes over the very light pulley with low friction bearings. Determine an expression of the acceleration of each block for case when the blocks have different masses, but the heavier block 1 (mass m1) is positioned higher than the light one. Express the answer in terms of m1, m2, and gravitational constant g.
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop?
You tackle a 100 kilogram football player running at 5 meter per second, and he stops over a time period of 4 seconds. Find what average force did you exert
Two long straight wires are parallel and carry currents of I1 = 6.20 A and I2 = 4.30 A in opposite directions. Determine the magnitude of the force exerted by one wire on the other
A spherical steel ball bearing has a diameter of 2.540 cm at 26.00°C. (Assume the coefficient of linear expansion of the steel is 1.10 10-5(°C?1), and the average volume expansion coefficient is 3.30 10-5(°C?1).)
In a popular amusement park ride, a rotating cylinder of radius3.00 m is set in rotation at anangular speed of 6.00 rad/s, as inFigure P7.51. The floor then drops away, leaving the riders suspended against the wall in a vertical position. What min..
A standing wave of frequency 3.03 Hz is set up on a string 2.6 m long with nodes at both ends and in the center
A 75.0kg skier rides a 2830m long lift to the top of a mountain.The lift makes an angle of 14.6o with the horizontal. What is the change in the skier's gravitational potential energy
Two speakers, 6.00 m apart, are driven by the same audio oscillator so that each one produces a sound consisting of two distinct frequencies, 1000 Hz and 1360 Hz. The speed of sound in the room is 350 m/s.
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 22 m/s at an angle 63 degrees, What is the horizontal and vertical component of the balls
Two pieces of the same wire have the same length. From one piece, asquare coil containing a single loop is made. From the other, acircular coil containing a single loop is made. The coils carry different currents.
how far did the last car travel before momentarily coming to a rest. A 3 kg block accelerates at a rate twice that of a 6 kg block. Is the net force acting on the 3kg block twice as large as that acting on 6kg block.
In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball. Where will the ball land if it just clears the net
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