Physics, 18.03.2020 16:32 hannahhoskings6989
Two students are relaxing in their dorm room and are too lazy to get up and shut the door. One of the students suggests throwing something at the door but there are only two things close at hand:
1) A hard baseball of mass m
2) A soft sticky ball of clay, also of mass m
If the baseball bounces off the door and the clay ball sticks to the door, which collision will cause the door to shut fastest?
Answers: 3
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Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
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Give an example of a collision in real life. use the law of conservation of energy to describe the transfer of momentum. be sure and discuss the momentum before and after the collision occurs. you will need at least 3 sentences to thoroughly answer this question.
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Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
Two students are relaxing in their dorm room and are too lazy to get up and shut the door. One of th...
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