2
2.3.2 Quiz: Work and Power
Question 1 of 10
2 Points
A boy performs 100 J...
Physics, 03.05.2020 14:26, Ashleymsmith
2
2.3.2 Quiz: Work and Power
Question 1 of 10
2 Points
A boy performs 100 J of work pushing a chair a distance of 4 m. How much
force does the boy use? Assume there is no friction
O A. 200 N
O B. 400 N
O C. 100 N
Oo
O D. 25 N
SUBMIT
Answers: 1
Physics, 21.06.2019 19:00, jessicapbailey52
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Answers: 1
Physics, 22.06.2019 10:00, blackjack73
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 11:40, johanperezpere51
Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?
Answers: 3
Physics, 22.06.2019 20:00, tasniahussain21
Anika asks eva to roll a basketball and then a bowling ball to her. which requires more force to roll, and why?
Answers: 3
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