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Merry-go-round is at rest before a kid pushes it therefore that it rotates with a constant angular acceleration for 34 second. When the child stops pushing, the merry-go-round is rotating at 1.20 rad/s. Obtain how many revolutions did the kid make around the merry-go-round while he was pushing it?
A student throws a baseball at a large gong 61 m away and hears the sound of the gong 1.5404 s later. The speed of sound in air is 330 m/s. What was the average speed of the baseball on its way to the gong
Where an object should be placed in order to have magnification of 2.00 in each of the following cases? A converging lens with a focal length of 10.0cm
The width of the ribbon normal to a radius vector originationg at the star's center is much greater than the thickness of the ribbon in the radial direction.
In a billiard ball collision, a .5 kg cue ball, hits the .5 kg eight-ball with a velocity of .39 m/s. What is the velocity of the eight ball after the collision
You and a friend have been given the task of designing a display for the Physics building that will demonstrate the strength of the electric force, calculate the necessary amount of charge on the marble for a reasonable ramp angle of 15 degrees
An Elevator descended from rest on the 10th floor passing the 4th floor for a total distance of 22.5m. what was the velocity of the elevator as it passed the 4th floor
A block of mass 3.1 kilogram rests on a frictionless inclined plane, held in place by a string of mass 0.023 kilogram. Determine how long does it take a wave to travel from one end of the string to the other
The pressure exerted by a static liquid on a vertical submerged surface is calculated from the reaction:
An electron in an oscilloscope is accelerated as a result of the potential difference between the cathode and anode. Find the voltage drop from cathode to anode
An unstable atomic nucleus of mass 1.62x^10-26 kg initially at rest disintegrates into three particles. One of the particles, of mass 5.02x10^-27 kg, moves in the y direction with a speed of 6.00x10^6 m/s. Another particle, of mass 8.44x10^-27 kg,..
An evacuated spherical diving bell containing a camera is in the ocean at a depth of 143m. It has a flat, transparent, Find the magnitude of the total force on the port
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
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