Physics, 17.03.2021 23:40 jazminemartinez3223
Which of the following is the best example of work being done on an object? *
-holding a 50kg weight
-lifting a bag of groceries from the floor
-holding down a compressed spring
-pushing a boulder that will not move
Answers: 2
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The mass of the sun is 1.99×1030kg and its distance to the earth is 1.50×1011m. what is the gravitational force of the sun on the earth?
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Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?
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On a hot saturday morning while people are working inside, the air conditioner keeps the temperature inside the building at 22degreesc. at noon the air conditioner is turned off, and the people go home. the temperature outside is a constant 33degreesc for the rest of the afternoon. if the time constant for the building is 4 hr, what will be the temperature inside the building at 4 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? at 6 : 00 font size decreased by 2 upper p . font size decreased by 2 upper m .? when will the temperature inside the building reach 24degreesc? 324281
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Physics, 22.06.2019 21:00
Ascientist wants to test ways to reduce pollution in lake . what is the bestway of doing this
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Which of the following is the best example of work being done on an object? *
-holding a 50kg weigh...
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