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30-10-2022
Physics

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More questions on speed and acceleration can be found at the end of Unit 1on page 55.71 A sprinter runs 100 metres in 12.5 seconds. Calculate the speed in m/s.82 A jet can travel at 350 m/s. Calculate how far it will travel at this speed in:a 30 secondsb 5 minutesc half an hour.3 A snail crawls at a speed of 0.0004 m/s. How long will it take to climb agarden stick 1.6 m high?

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EzraW368823 EzraW368823

30-10-2022

1)

Answer: speed = 8 m/s

Explanation:

The formula for calculating speed is

speed = distance/time

From the information given,

distance = 100

time = 12.5

speed = 100/12,5

speed = 8 m/s

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