A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds. The velocity of the body at the end of the 7th second is - VgyanHub

Question:

A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds. The velocity of the body at the end of the 7th second is

Options :

(a) 12 cms^-1
(b) 11 cms^-1
(c) 10 cms^-1
(d) 5 cms^-1

Answer :

(c) 10 cms^-1

Answer Steps :

step 1

step 2

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