Question

A car travels 10 m in 5 seconds, 20 m in next 10 seconds and 30 m in the last 10 seconds. The average speed of the motion is

Answer 1

Answer:

By the formula of average speed

average \: speed =  \frac{total \: distance \: travelled}{total \: time \: taken}  

Substituting the values.

average \: speed =  \frac{10 + 20 + 30}{10 + 10 + 5}  

average \: speed =  \frac{60}{25}  

average \: speed = 2.4 \:  \frac{m}{s}  

\boxed{\boxed{average speed = 2.4 m/sec}}

So,the average speed of the particle is 2.4 m/s.

Explanation:

Answer 2

Answer:

Average speed=total distance/total time taken

=60/25

=2.4m/a

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