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A Bird Flies for 4secs with a Velocity of (t-2)m/s in a Straight line, where t = time in secs. It Covers a Distance of ? (a)2m (b)4m (c)6m (d)8m Want Answer with Detailed Explaination if Possible. Thanks :)

A Bird Flies for 4secs with a Velocity of (t-2)m/s in a Straight line, where t = time in secs. It Covers a Distance of ?
(a)2m 
(b)4m
(c)6m
(d)8m
Want Answer with Detailed Explaination if Possible. Thanks :)

Grade:11

1 Answers

Sher Mohammad IIT Delhi
askIITians Faculty 174 Points
8 years ago
distance at t tme = (t-2)t
total distance      = integration (t-2)t between 0 to 4
                              =      t^3/3 – t^2
 
 

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