Physics, 16.04.2020 17:31 lilblackbird4
12.An electric space heater draws 25.000 A from a 120.00 V source. If electrical energy costs $0.14 per kilowatt hour, how much does it cost to operate the heater for 30.000 days? (Express your answer to the nearest $0.01)
Answers: 2
Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 23.06.2019 11:40
As the ball rolls down the ramp, there are changes in kinetic and potential energy. how much kinetic energy does the ball have when it reaches point b? a) 0j b) 25j c) 50j d) 100
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Sara's mom takes the parkway to work. it takes her 0.5 hours to travel from mile marker 88 where she enters to her exit at mile marker 121. what is her average speed? s= d= t=
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Physics, 23.06.2019 15:50
In the equation for the gravitational force between two objects, what does g represent?
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12.An electric space heater draws 25.000 A from a 120.00 V source. If electrical energy costs $0.14...
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