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A bus decreases its speed from …

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A bus decreases its speed from 80 km h -1 to 60 km h -1 in 5 s . Find the acceleration

Posted by Nupur Dasgupta 2 years, 2 months ago

CBSE > Class 09 > Science

5 answers

Rozyta Tensubam 2 years, 2 months ago

Given : u = 80 kmh-¹ ; v = 60 kmh-¹ ; t = 5 s Then ; a = v-u / t => a = 60 - 80 / 5 => a = -20 / 5 => a = -4 ms-²

Sarthak Singh 2 years, 2 months ago

80km=200/9m 60km=50/3m a=50/3-200/3/5=-1.1ms

Sarthak Singh 2 years, 2 months ago

a=v-u/t a=80-60/5=4m/s

Lakshya Garg 2 years, 2 months ago

A = v-u / t = 80-60 / 5 = 20/5 =4m/s²

Satyansh Rajbhar 2 years, 2 months ago

Acceleration = 4.4 m/s²

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