Which parameter is used to determine effect of force on body ?
- A
- B
- C
- D
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A body of mass $10 kg$ is projected at an angle of $45^{\circ}$ with the horizontal. The trajectory of the body is observed to pass through a point $(20,10)$. If $T$ is the time of flight, then its momentum vector, at time $t =\frac{ T }{\sqrt{2}}$, is.
$\left[\right.$ Take $\left.g=10 m / s ^{2}\right]$
A body of mass $10 kg$ is projected at an angle of $45^{\circ}$ with the horizontal. The trajectory of the body is observed to pass through a point $(20,10)$. If $T$ is the time of flight, then its momentum vector, at time $t =\frac{ T }{\sqrt{2}}$, is.
$\left[\right.$ Take $\left.g=10 m / s ^{2}\right]$
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