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Which of the following objects have gravitational potential energy?
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Ajet flying across the sky 4,000 m above the ground
An elephant walking 1.5 m/s along the ground
A concrete block sitting on the ground
An apple on a tree branch 3.0 m above the ground
A car traveling 20 m/s along a flat road
Answers: 2
Physics, 21.06.2019 19:00
Many machines- including inclined planes such as ramps- increase the strength of the force put into the machine but decrease the distance over which the force is applied.
Answers: 1
Physics, 21.06.2019 19:30
Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s
Answers: 1
Physics, 22.06.2019 20:00
An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
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Physics, 23.06.2019 00:10
During cooling, the kinetic energy of the molecules falls. why does this happen? a.the motion of the molecules increases. b. the motion of the molecules slows down. c.the van der waals forces between molecules decrease d. the forces of attraction between the molecules are overcome.
Answers: 2
Which of the following objects have gravitational potential energy?
*Select ALL that apply.
*Select ALL that apply.
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