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A 170g baseball is pitched at 30m/s spinning at 53rad/s . You can treat the baseball as a uniform solid sphere of radius 4.5cm. What fraction of its kinetic energy is rotational?
As you zip through space in your PPS (personal propulsion suit), your pulse rate, as you count it, is 121 bpm, How fast are you moving with respect to the Moon
A major league pitcher can throw a baseball in excess of 41 m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches a catcher who is 17m away from the point of release.
Consider a system composed of a mixture of 2.50kg of ice and 50 gr of liquid water and a small separate container of finely powdered salt. This physical system is contained in a fully insulated container that prevent.
A capacitor that is initially uncharged is connected in series with a resistor and an emf source with E=110V, What is the resistance of the resistor
A stone is thrown horizontally from the top of a 15m building. The stone hits the ground at a point 24m from the base of the tower. Determine the speed of the stone just before it hits the ground
A storage tank 27 m high is filled with pure water, Calculate the magnitude of the net force that acts on a square access hatch at the bottom of the tank that measures 0.6 m by 0.6 m
The drill pipe has an outer diameter of 75 mm, a wall thickness of 6 mm, and a weight of 0.8 kN/m. If it is subjected to a torque and axial load as shown.
An electric field of 8.60 x 107 V/m is desired between two parallel plates, each of area 35.0 cm2 and separated by 2.45 mm of air. What charge must be on each plate.
Two polarizers are aligned to the angle between their polarization direction is 45 degrees. what fraction of the incident intensity is transmitted though the second
Starting from rest, a 2.3x10-4 kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
An aircraft weighing 865 N is accelerated at 7 m/s/s for 8 seconds, How much work was done on the aircraft
A 0.300kg block is moving to the right along a horizontal frictionless surface with a speed of 0.600 m/s. Find the final velocity of each block after the collision
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