Dynamics. Rigid-body dynamics studies the movement of systems of interconnected bodies under the action of external forces. The dynamics of a rigid body system is described by the laws of kinematics...
2 Answers 1 viewsCorrect option is (D) \(7\,\frac{1}{2}\) hrs \(\because\) Time taken to fill a \(50\,l\) of tank = 5 hours \(\therefore\) Time taken to fill a \(75\,l\) of tank \(=\frac5{50}\times75\;hours\) \(=\frac{75}{10}\;hours\) = 7.5 hours = 7 hours + \(\frac12\) hours = \(7\frac12\) hours
2 Answers 1 viewsWhat is lotted cannot be blotted.
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2 Answers 1 viewsYesterday we were at our office. Scarcely had we finished our duty, when the tremor occurre
2 Answers 1 viewsWe are not free from danger. Danger often comes where, it is feared.
2 Answers 2 viewsIf a man does not take a rest after a work, he becomes weak and spiritless.
2 Answers 1 viewsSo, we should take a rest so that we can keep fit.
2 Answers 1 views