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An object with a mass of 5.10 kg is attached to the free end of the lightstring wrapped around a reel radius R=0.25 m and mass 3kg the reel is a solid disk, free to rotate in a vertical plane about the horizontal axis paasing through its center th..
A 47.60 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 28.4 m. (a) avoid air resistance and determines the kinetic energy of ball at its highest point. (b) What is its speed while it is 8.02m below it..
Write an algorithm for computing total flight time and the horizontal distance traveled by the cannon ball for the problem? with explanation.
A heavy crate is attached to the wall by a light rope. Another rope hangs off the opposite edge of the box. If you slowly increase the force on the free rope by pulling on it in a horizontal direction, which rope will break? Ignore friction and th..
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
Two horizontal forces, 218 N and 157 N, are exerted in opposite directions on a crate. What is the net horizontal force on the create? Be sure to indicate the direction of the net force. (Assume that the 218 N forces are in the positive direction.)
Find out the induced emf in the loop at an instant
A hollow aluminium cylinder is to be fitted over a steel piston. At 22°C the inside diameter of the cylinder is 99.2 percent of the outside diameter of the piston. To what common temperature must the two pieces be heated in order that the cylinder ju..
Find out the potential difference between r2 and r1
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
If a car travelling at 63 km/h will skid 18 m when its brakes lock, how far will it skid if it is travelling at 150 km/h while its brakes lock.
A dare devil is shot out of a cannon at 45.0 degrees to the horizontal with an initial speed of 25.0 m/s. A net is positioned a horizontal distance of 50.0 m from the cannon.
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