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A body travels with a uniform …

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A body travels with a uniform speed of 8m/s for 10s and then with a speed of 12m/s for 15s. Calculate its average speed.

Posted by Priyanshu Parate 4 years, 2 months ago

CBSE > Class 09 > Science

2 answers

Aarti Balu 4 years, 2 months ago

Isn't 0.8m/s the right answer?

Ritika Sharma 4 years, 2 months ago

Speed=total distance/total time =10×8 + 12×15/10+15 =260/25 =10.4 m/s

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CBSE > Class 09 > Science

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