Physics, 27.06.2019 21:30 leslieevanessa
90 who did more work; a man walking 20 km up a hill in an hour, or a man bicycling 20 km up the same hill in 30 min both did the same amount of work the one was the bicycling neither did work the one who was walking part two of that question: who had use more power the one walking or the who bicycled up the hill?
Answers: 2
Physics, 21.06.2019 14:20
Two friends are having a conversation. anna says a satellite in orbit is in freefall because the satellite keeps falling toward earth. tom says a satellite in orbit is not in freefall because the acceleration due to gravity is not 9.80 m/2 . who do you agree with and why?
Answers: 1
Physics, 22.06.2019 03:30
Calculate the mass of an object that has a momentum of 100kg x m/sec and velocity of 4 m/sec
Answers: 1
Physics, 22.06.2019 14:30
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
Physics, 22.06.2019 15:50
Decreased sensitivity to an unchanging stimulus is known as
Answers: 3
90 who did more work; a man walking 20 km up a hill in an hour, or a man bicycling 20 km up the sa...
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