Physics, 13.04.2020 08:02 alwaysneedhelp84
The weight of a person is 500N and his foot imprint is 0.5 m square. Calculate the total pressure exerted by a person when he stands on both feet.
Answers: 2
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Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?
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Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories
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Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
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How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
The weight of a person is 500N and his foot imprint is 0.5 m square. Calculate the total pressure ex...
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