Imagine that you and your friend (of equal
size and weight) are competing in competition to see
who can run up ten flights of stairs faster. It takes you
100 seconds to run up the ten flights of stairs, but it
takes your friend 120 seconds. Who did the most work?
Who exerted the most power? Explain your answer.
Answers: 2
Physics, 22.06.2019 09:40
When you jump from an elevated position you usually bend your knees upon reaching the ground. by doing this, you make the time of the impact about 10 times as great as for a stiff-legged landing. in this way the average force your body experiences is a) less than 1/10 as great. b) more than 1/10 as great. c) about 1/10 as great.d) about 10 times as great.
Answers: 1
Physics, 22.06.2019 17:00
Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
Answers: 3
Physics, 22.06.2019 17:40
Which component of the earth’s atmosphere is decreased due to photosynthesis?
Answers: 1
Physics, 22.06.2019 18:00
Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?
Answers: 1
Imagine that you and your friend (of equal
size and weight) are competing in competition to see
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