an object has initial velocity of 15m/s.how long must it accelerate at constant rate of 3m/s2 before its average velocity is equal to twice of its inital velocity?
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Answered by
26
just apply the formula of average velocity is equal to displacement Upon Time taken and average velocity equal to 30 and displacement be equal to UT plus half AT square Upon Time taken so from that you will get time is equal to 10 seconds.
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3
10 seconds only..
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