By what mechanism is a person injured when he or she falls from a significant height? select one: a. kinetic energy is converted to potential energy; the potential energy is then converted into the work of bringing the body to a stop. b. as the person falls, the amount of kinetic energy is converted into work; work is then converted to kinetic energy upon impact. c. potential energy is created as the person is falling; the potential energy is then converted into kinetic energy upon impact. d. potential energy is converted to kinetic energy; the kinetic energy is then converted into the work of bringing the body to a stop.
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Physics, 21.06.2019 23:30
Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration
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Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Physics, 22.06.2019 17:30
Frequency of electromagnetic waves that a radio station is assigned is called
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Physics, 22.06.2019 19:50
The heater element of a 120 v toaster is a 5.4 m length of nichrome wire, whose diameter is 0.48 mm. the resistivity of nichrome at the operating temperature of the toaster is 1.3 × 10-6 ω·m. the toaster is operated at a voltage of 120 v. (a) what is the power drawn by the toaster? (b) if the cost of electricity is 12 ¢ per kilowatt-hour, and it takes 2 minutes to toast bread, how much does it cost for toasted bread? (c) when the heater element is at room temperature, is the resistivity in the nichrome wire greater than, less than, or equal to it’s resistivity when at operating temperature? explain.
Answers: 3
By what mechanism is a person injured when he or she falls from a significant height? select one:...
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