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tankabanditka [31]
3 years ago
13

A parachutist descending at a speed of 14.8 m/s loses a shoe at an altitude of 55.1 m. What is the speed of the shoe just before

it hits the ground? The acceleration due to gravity is 9.81 m/s 2 . Answer in units of m/s.
Physics
1 answer:
ankoles [38]3 years ago
8 0

Answer:

v = 36.05 m/s

Explanation:

It is given that,

Initial speed of the parachutist, u = 14.8 m/s

Altitude, h = 55.1 m

The acceleration due to gravity, a=9.81\ m/s^2

Let v is the speed of the shoe just before it hits the ground. The third equation of motion is given by :

v^2=u^2+2ah

v^2=(14.8)^2+2\times 9.81\times 55.1

v = 36.05 m/s

So, the speed of the show just before it hits the ground is 36.05 m/s. Hence, this is the required solution.

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