If a 70kg man and a 40k boy are both running at the same velocity, who has more momentum?

70 kg man

Explanation:

Let their velocities be v

Mass of the man= 70 kg

Hence, momentum of the man= 70v

Mass of the boy= 40 kg

Hence, momentum of the boy= 40v

70v > 40v

Clearly the momentum of the man is greater than that of the boy.

0.3x0.21x0.08kg=mass 1 sheet

mass 500 = 500xmass 1

volume pile = 0.3x0.2x0.048

density=mass/volume= 500xmass 1/0.3x0.2x0.048

v patient student

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !