a) A particle of mass 0.25 kg is moving with speed 3[math]ms^{-1}[/math][br]when it receives an impulse of 5 Ns in the direction of motion.[br][br]Find the new speed of the particle.[br][br]b) A particle of mass 0.25 kg is moving with speed 7[math]ms^{-1}[/math] when it receives an impulse of 3 Ns in the opposite direction to the motion.[br][br]Find the new speed of the particle.[br][br]c) A particle of mass 0.25 kg is moving with velocity (3i + 7j)[math]ms^{-1}[/math] when it receives the impulse (5i – 3j) N s.[br][br]Find the speed of the particle immediately after the impulse.[br][br][br][br][br]