Find the kinetic energy of a particle of mass `200 g` moving with velocity `3hat(i)-5hat(j)+4hat(k) m//s`.

A particle of mass 'm' moving with a velocity (3 hat(i)+2hat(j))m//s collides with stationary mass 'M' and finally 'm' moves with a velocity (-2hat(i)+hat(j))m//s if (m)/(M) = (1)/(13) the velocity of the M after collision is?

Find the work done in moving a particle along a vectors vec(S)=(hat(i)-2hat(j)+3hat(k))m if applied force is vec(F)=(2hat(i)-3hat(j)+4hat(k))N .

A particle of mass 'm' moving with a velocity of (4hat(i)-hat(j))m//s strikes a fixed wall and finally moves with a velocity of (3hat(i)+2hat(j))m//s . Find (a) the impulse received by the particle. (b) the coefficient of restitution between them in the collision.

A particle of mass 'm' moving with a velocity of (4hat(i)-hat(j))m//s strikes a fixed wall and finally moves with a velocity of (3hat(i)+2hat(j))m//s . Find (a) the impulse received by the particle. (b) the coefficient of restitution between them in the collision.

(b) Two bodies of masses 10kg and 2 kg are moving with velocities 2hat(i)-7hat(j)+3hat(k) and -10hat(i)+35hat(j)-3hat(k)m//s respectively. Find the velocity of the centre of mass.

A particle of mass 2 kg is moving with velocity vec(v)_(0) = (2hat(i)-3hat(j))m//s in free space. Find its velocity 3s after a constant force vec(F)= (3hat(i) + 4hat(j))N starts acting on it.

A particle of mass 2 kg is moving with velocity vec(v)_(0) = (2hat(i)-3hat(j))m//s in free space. Find its velocity 3s after a constant force vec(F)= (3hat(i) + 4hat(j))N starts acting on it.

A particle of mass 2 kg is moving with velocity vec(v)_(0) = (2hat(i)-3hat(j))m//s in free space. Find its velocity 3s after a constant force vec(F)= (3hat(i) + 4hat(j))N starts acting on it.

Find the workdone in moving a particle along a vectors vec(S)=(hat(i)+2hat(j)+6hat(k))m if applied force is vec(F)=(2hat(i)+3hat(j)+5hat(k))N at an angle 60^(@) .