Gujarati
Hindi
4-1.Newton's Laws of Motion
medium

Find velocity of block ' $B$ ' at the instant shown in figure $........\,m/s$

A

$20$

B

$25$

C

$22$

D

$30$

Solution

$v \cos 37^{\circ}=20$

$v=\frac{20 \times 5}{4}=25\,m / s$

Standard 11
Physics

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