A body of mass 0.8 kg has intial velocity `(3hati-4hatj) ms^(-1)` and final velocity `(-6hatj+2hatk) ms^(-1)`. Find change in kinetic energy of the body?

A cricket ball of mass 150 g has an intial velocity u = (3 hati + 4 hatj)ms^(-1) and a final velocity v = -(3hati + 4 hatj) ms^(-1) , after being hit. The change in momentum (final momentum - initial momentum ) is (in Kg ms^(1) )

A cricket ball of mass 150 g has an intial velocity u = (3 hati + 4 hatj)ms^(-1) and a final velocity v = -(3hati + 4 hatj) ms^(-1) , after being hit. The change in momentum (final momentum - initial momentum ) is (in Kg ms^(1) )

A cricket ball of mass 150 g has an intial velocity u = (3 hati + 4 hatj)ms^(-1) and a final velocity v = -(3hati + 4 hatj) ms^(-1) , after being hit. The change in momentum (final momentum - initial momentum ) is (in Kg ms^(1) )

A cricket ball of mass 150 g has an initial velocity bar(u)=(3hati-4hatj)ms^(-1) and a final velocity bar(v)=-(3hati-4hatj)ms^(-1) after being hit. The change in momentum (final momentum -initial momentum) is ("in kg ms"^(-1))

A cricket ball of mass 150 g has an initial velocity bar(u)=(3hati-4hatj)ms^(-1) and a final velocity bar(v)=-(3hati-4hatj)ms^(-1) after being hit. The change in momentum (final momentum -initial momentum) is ("in kg ms"^(-1))

A cricket ball of mass 150 g has an initial velocity mu=(3hati+4hatj) ms^(-1) and a final velocity v = - (3hat(i) + 4hat(j)) ms^(-1) , after being hit. The change in momentum (final momentum­initial momentum) is (in kgms^(-1) )

A cricket ball of mass 150g has an initial velocity (3 hati + 4hatj)ms^(-1) and a final velocity upsilon = -(3hati + 4hatj)ms^(-1) after beigh hit The change in momentum (final momentum initial momentum) is (in kg ms^(-1) )

A cricket ball of mass 150 g has an initial velocity vec u = ( 3hati + 4hatj) ms^-1 and a finaal velocity vec v = - (3hati + 4hattj) ms^-1 after being hit. The change in momentum (final momentum-initial momentum) is (in kg ms^-1 )

A cricket ball of mass 100g has initial velocity vec u = (3hati + 4hatj)ms and final velocity vec v = (-3hati -4hatj)ms after being hit by the bat.The magnitude of the impulse on the bat by the ball will be

A cricket ball of mass 100g has initial velocity vec u = (3hati + 4hatj)ms and final velocity vec v = (-3hati -4hatj)ms after being hit by the bat.The magnitude of the impulse on the bat by the ball will be