English
Hindi
5.Work, Energy, Power and Collision
easy

$2kg $ દળના એક પદાર્થ પર $1m $ અંતરેથી $10N$ નું બળ લાગે છે. પદાર્થ મેળવેલી ગતિ ઊર્જા કેટલા .....$J$ હશે?

A

$20 $

B

$10 $

C

$5 $

D

$2.5 $

Solution

${\text{W}}\,\, = \,\,{\text{FS}}\,\, = \,\,{{\text{E}}_{\text{k}}}\,\, = \,\,\frac{1}{2}\,\,m{v^2}\,\, = \,\,10\,\, \times \,\,1\,\, = \,\,10\,\,J$

Standard 11
Physics

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