Question

A plane opens a parachute after it lands inorder to

slow down. The speed before opening was 100mls.
The parachute kept attachment to the
plane for 8s,
which slowed it down to 20mls, then the cords were
released from the plane. Average force during 8s was
4000 newtons. Calculate :

mass of the plane.

Answer 1

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Answer 2

When the parachute opens, the air resistance increases. The skydiver slows down until a new, lower terminal velocity is reached.