Question

Q. For motion of an object along the −axis, the velocity depends on the displacement as = 32 − 2, then what is the acceleration at = 2
(a) 48 ms-2 (b) 80 ms-2 (c) 18 ms-2 (d) 10 ms-2​

Answer 1

Answer:

Correct option is

B

80 ms−2

v=3x2−2x

a=vdxdv=(3x2−2x)(6x−2)=(12−4)(12−2)=80m/s2

Explanation:

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