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The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine
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While goofing off at the ice skating rink, a student takes off her shoes and places each of them on the ice. her friend, a hockey player, then shoots a hockey puck at each shoe. the first puck immediately comes to rest after it collides with the left shoe. the second puck rebounds after it collides with the right shoe. if each hockey puck has the same incoming speed, which shoe has greater speed after the collision? the right shoe. both shoes have the same speed. the left shoe.
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Physics, 22.06.2019 06:30
=force × distance a. work b. velocity c. pressure d. momentum
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Physics, 23.06.2019 06:00
Aforklift raises a box above the floor and does 2,000 j of work. if the forklift motor consumes 3,000 j of electrical energy from the battery to raise the box, what is the efficiency of the lift?
Answers: 2
Particles q1, q2, and q,3 are in a straight line.
Particles q1 = -5.00 x 10-6 C, q2 = -5.00 x 10-6...
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