A spacecraft of mass 4.0 x 10* kg has its motors switched off. It slows down as it moves away from 10 x 10" m above the Earth's centre to 15 x 10°m. Find the loss of kinetic energy of the craft and the average force acting on the craft.
A spacecraft of mass 4.0 x 10* kg has its motors switched off. It slows down as it moves away from 10 x 10" m above the Earth's centre to 15 x 10°m. Find the loss of kinetic energy of the craft and the average force acting on the craft.
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Transcribed Image Text:(ii) A spacecraft of mass 4.0 x 10ʻkg
has its motors switched off. It slows
down as it moves away from
10 x 10" m above the Earth's
centre to 15 x 10°m. Find the
loss of kinetic energy of the craft
and the average force acting on the
craft.
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