Question

For a body moving in one dimensional motion support the given statement with proper reason or an example. a) instantaneous speed is equal to the magnitude of instantaneous velocity at any instant. b) with positive initial velocity and positive value of acceleration, a body always speeds up

Answer 1

$$\begin{gathered} \left(a\right)theins\tan \tan eousspeedisalwaysequaltotheins\tan \tan eousvelocityasitisforinfinitelysmalltime. \\ \left(b\right)\sin cetheboththeinitialvelocityandaccnarepositivethevelositywillincreasein+vedirectionalways. \\ Regards \end{gathered}$$