An object of mass 3 kg is at rest . If a force `oversetrarrF=(6t^2overset^i+4t overset^j)` N is applied to the object, then what will be the velocity of the object at t=3 seconds ?

A 0.2 kg object at rest is subjected to a force (0.3hati - 0.4 hatj) Newton. What is velocity of the object after 6 second

If oversetrarra=4overset^i+noverset^j+3overset^k |oversetrarra|=13 , what is the value of n ?

If the vectors overset^i+2overset^j+overset^k and 2overset^i+3overset^j+alphaoverset^k are perpendicular, then what is alpha ?

If oversetrarra=overset^i+2overset^j-3overset^k and oversetrarrb=3overset^i-overset^j+2overset^k then find the angle between

A ball is released from the top a tower of height h meter. It takes T second to reach the ground. What is the position of the ball in T/3 seconds.

If the vectors _a^rarr=2overset^j-3overset^k and _b^rarr=2overset^j+aoverset^j+6overset^k are parallel, white the value of alpha .

Find the slope of the tangent to the curve x = sin 3t, y = cos 2t, at t = pi/4 .

Write the unit vectors parallel to the vector 3overset^i+overset^j-2overset^k .

Find the vector of magniltude 5 units and parallel to the resultant of the vectors oversetrarra=2overset^i+3overset^j-overset^k and oversetrarrb=overset^i-2overset^j+overset^k then find the angle between oversetrarra+oversetrarrb and oversetrarra-oversetrarrb .

A block of metals weighing 2 kg and 1kg are in contact with each other on a frictionless table. When a horizontal force of 3.0N is applied to the block of mass 2 kg. The value of force constant between the blocks is