A moving object has speed. Momentum. energy. velocity. all of the above Inside a

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A moving object has speed. Momentum. energy. velocity. all of the above Inside a freely falling elevator your weight is zero. acceleration is zero. Gravitational interaction with Earth is zero. all the above none of the above Melting and freezing are both changes of phase. opposite processes. processes of molecular transfer. all of the above Atmospheric pressure is caused by the effect of the Sun's energy on the atmosphere weight of the atmosphere temperature of the atmosphere. density of the atmosphere. Exert 1 N for a distance of 1 min 1 sand you deliver a power of 3 W. 2 W. 1 W 1/3 W. none of the above Calculate the following to the correct number of significant figures. 0.1 0.114 0.11 0.1138 An important underlying feature of hydraulic devices is the conservation of energy. Pressure. Momentum all of the above none the above Your weight is a property of mechanical equilibrium. the gravitational attraction between you and Earth. The same in all locations another word for your mass. A shopping cart moves with kinetic energy of 40 J. If moves at twice the speed, its kinetic energy 160 J. 80 J. 40 J. not enough information

Explanation / Answer

(61)

all the above is the correct answer

(62)

apparent weight for you so weight is zero

(63)

change of phase

(64)

Atmospheric pressure is caused by the weight of the atmosphere pushing down on itself and on the surface below it.

option (B) is correct answer

( 65)

P= F v = F ( d/t) = 1 N ( 1m/1s) = 1 W

As per guide lines I worked first four problems please post remaning questions in the next post

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