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An object moving with a speed of 6.25ms^–1, is decelerated at a rate given by dυ/dt = −2.5√υ.

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asked Mar 28, 2018 in Physics by paayal (26,720 points) ● 4 ● 6 ● 51

An object moving with a speed of 6.25ms–1, is decelerated at a rate given by dυ/dt = −2.5√υ
where υ is the instantaneous speed. The time taken by the object, to come to rest, would be

(a) 1s 

(b) 2s

(c) 4s 

(d) 8s

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answered Mar 28, 2018 by sanjaydas (61,430 points) ● 5 ● 7 ● 7
selected Mar 28, 2018 by Vikash Kumar
 
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