Question

1 .A river Is flowing from west to east at a speed of 5 metre per minute. A man on the south bank of the river, capable of swimming at 1 O metre per minute In still water, wants to swim across the river In the shortest time. He should swim In a direction. (1983-1 mark] a) due north b} 30• east of north c) 30• west of north d) 60• east of north​

Answer 1

Explanation:

) State the position of CG in case of the following regular bodies.

(i) a triangular lamina (ii) a rectangular lamina (iii) a circular lamina

(iv) a cylinder

(v) a sphere

(vi) a square lamina