How much physical activity should an adult have each week? A. 60 minutes per day, 7 days a week
B 30 minutes per day, 7 days a week
С. 60 minutes per day, 5 days a week
D 30 minutes per day, 5 days a week
Please select the best answer from the choices provided.
A
B

C

asthenosphere and convection

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 12 as i may remember

: )

no. bullets are macro objects. wave nature is for light waves, extremely tiny particles. if a light particle was the size of your finger, the bullet would be the size of the universe. so basically, that huge difference in size makes the wave nature of matter insignificant.