Physics, 09.01.2020 20:31 esmeraldavelez63
when a rubberband is stretched all the way back, it is an example of which type of energy?
question 7 options:
gravitational potential energy
chemical potential energy
elastic potential energy
mass kinetic energy
Answers: 2
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Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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A1500 w electric heater is plugged into the outlet of a 120 v circuit that has a 20 a circuit breaker. you plug an electric hair dryer into the same outlet. the hair dryer has power settings of 600 w, 900 w , 1200 w, and 1500 w. you start with the hair dryer on the 600 w setting and increase the power setting until the circuit breaker trips. under what setting does the circuit breaker trip.
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Failure to accomplish erikson’s psychosocial task of late adulthood leads to despair. a. true b. false
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when a rubberband is stretched all the way back, it is an example of which type of energy?
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