How dose blood pressure change as blood moves through arteries capillaries and veins

the chart show the masses and velocities of two colliding objects that stick together after a collision.

according to the law of conservation of momentum, the momentum of the object after the collision is  

answer

1,500

kg • m/s.

the answer is c. the lower legs are levers, and the knees are fulcrums. the ankles hold the loads.