Physics, 13.01.2021 14:00 juan01sebastian00
A 0.45kg baseball is pitched towards home plate at 20 m/s. The ball is hit back towards the pitcher with a speed of 30 m/s. What is the change in momentum of the baseball?
Answers: 3
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What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green
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Physics, 22.06.2019 08:20
A3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular? a 3030 cmcm wrench is used to loosen a bolt with a force applied 0.30.3 mm from the bolt. it takes 6060 nn to loosen the bolt when the force is applied perpendicular to the wrench. how much force would it take if the force was applied at a 3030 degree angle from perpendicular?
Answers: 3
Physics, 22.06.2019 14:40
An athlete is holding 24 lb of weights at a height of 6 inches above the stack as shown. to lower the weights, she applies a constant force of 5 lb to the handle. determine the velocity of the weights immediately before they hit the stack.
Answers: 1
Physics, 22.06.2019 15:30
What is a subatomic particle with a negative charge and very little mass?
Answers: 1
A 0.45kg baseball is pitched towards home plate at 20 m/s. The ball is hit back towards the pitcher...
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