Helping verbs come before the main verb, the main verb in the sentence is repair therefor the helping verb would be could.
Answer:
We know the momentum after the collision MUST be equal to the momentum BEFORE the collision.
Momentum is a VECTOR quantity having both magnitude and direction. The first ball has momentum P =m*v = 2*4 = 8 at 90degrees. The second ball has momentum P = 1*8 = 8 at -90 or 270 degrees. They sum to zero when you perform vector addition.
Explanation:
You need 5 blocks of the smaller object to contain the same amount of volume of the bigger object
Answer:
the cell is the smallest unit
