৭৩৬১
A box of weight 500 N is being pulled over the floor with a horizontal force of 150 N. what is the coefficient of between the floor and the box?
উত্তর
0.3
৭৩৬২
If the radius of the earth were to shrink by 1% and its mass remaining the same, the acceleration due to gravity on the earth's surface would:
উত্তর
decrease by 2%
৭৩৬৪
which of the followings occurs when light passes into a clear glass tube?
উত্তর
Both A and C
৭৩৬৮
Sock Exchange of Bangladesh operates under the direct control of:
উত্তর
Securities and Exchange Commission