Dancers have to learn many skills including how land correctly.A dancer of mass 50 kg leaps into the air and lands feet first on the ground .She lands on the ground with a velocity of 5metres per second.As she lands,she bends her knees and comes to a complete stop in 0,2 seconds.
A. calculate the momentum with which the dancer reaches the ground
B. Define impulse
C. Calculate the magnitude of the net force acting on the dancer as she lands