Physics, 07.04.2021 23:10 dontworry48
A short tennis player hits a ball that is r meters from their elbow with an angular acceleration a. A tall tennis player hits a ball with the same angular acceleration where the ball is 2r from their elbow. How does the tangential acceleration of the short player's ball Ashort compare with the tall player's ball atall?β
Answers: 3
Physics, 21.06.2019 22:50
Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object
Answers: 2
Physics, 21.06.2019 23:30
To do work, this truck uses energy stored in chemical fuel and an electrical battery. how much total energy does this truck put out?
Answers: 1
Physics, 22.06.2019 20:10
On a horizontal frictionless surface, a small block with mass 0.200 kg has a collision with a block of mass 0.400 kg. immediately after the collision, the 0.200 kg block is moving at 12.0 m/s in the direction 30Β° north of east and the 0.400 kg block is moving at 11.2 m/s in the direction 53.1Β° south of east. use coordinates where the +x-axis is east and the +y-axis is north.(a) what is the total kinetic energy of the two blocks after the collision (in ) what is the x-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your ) what is the y-component of the total momentum of the two blocks after the collision? (indicate the direction with the sign of your answer.)
Answers: 1
A short tennis player hits a ball that is r meters from their elbow with an angular acceleration a....
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