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1. |
A body of mass m accelerates uniformly from rest to a speed \[\left( \lambda \right)\]in time \[\infty \]. The work done on the body till any time t is |
A. | \[\frac{1}{2}mv_{0}^{2}\left( \frac{{{t}^{2}}}{t_{0}^{2}} \right)\] |
B. | \[\frac{1}{2}mv_{0}^{2}\left( \frac{{{t}_{0}}}{t} \right)\] |
C. | \[mv_{0}^{2}\left( \frac{t}{{{t}_{0}}} \right)\] |
D. | \[mv_{0}^{2}{{\left( \frac{t}{{{t}_{0}}} \right)}^{3}}\] |
Answer» B. \[\frac{1}{2}mv_{0}^{2}\left( \frac{{{t}_{0}}}{t} \right)\] | |