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A parachutist's speed during a free fall reaches 189 kilometers per hour. What is this speed in meters per second? At this speed, how many meters will the parachutist fall during 15 seconds of free fall? Do not round your answers.

Respuesta :

MrPOOH

Given:

Speed of the parachutist = 189 km/h

To Find:

The speed in m/s .

Formula:

km/h × 5/18 = m/s

In Case I:

189 km/h × 5/18 = 52.5 m/s

In Case II:

Time Given: 15 seconds

Distance = Speed × Time

Distance = 52.5 × 15 = 787.5 metres

Answer:

In Case I:

The speed is 52.5 m/s .

In Case II:

The parachutist will fall 787.5 metres during 15 seconds of free fall with that speed.

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