A vehicle travels half the distance L with speed V1 and the other half with speed V2, then its average speed is
(a)
(b)
(c)
(d)
A vehicle travels half the distance L with speed V1 and the other half with speed V2, then its average speed is
(a)
(b)
(c)
(d)
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1 Answer
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This is a multiple choice answer as classified in NCERT Exemplar
(c) Time taken to travel first half distance t1=
Time taken to travel second half distance t2=
Total time =t1+t2
formula for average velocity will be =
formula for average velocity will be= vav=average speed= total distance/total time =
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Please find the solution below:
[h] = ML2T-1
[E] = ML2T-2
[V] = ML2T-2C-1
[P] = MLT-1
According to question, we can write
10 =
Average speed
(d) Initial velocity
Final velocity
Change in velocity
Momentum gain is along
Force experienced is along
Force experienced is in North-East direction.
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