Velocity of a body moving with a uniform acceleration of 2,,m/{sec ^2} is 10,,m/sec . Its velocity a

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2.Motion in Straight Line

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The velocity of a body moving with a uniform acceleration of $2\,\,m/{\sec ^2}$ is $10\,\,m/\sec $. Its velocity after an interval of $4 \,sec$ is...........$m/\sec $

A

$12$

B

$14$

C

$16$

D

$18$

Solution

(d)$v = u + at = 10 + 2 \times 4 = 18\;m/\sec $

Standard 11

Physics

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