A bullet of mass M1 is fired with a speed V into the bob of a ballistic pendulum of mass M2. Find the maximum height h attained by the bob if the bullet passes through the bob and emerges with a speed V/2?

Which statement best explains why an object weight less on mercury than it does on earth

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Which explanation describes the forces involved for a person to walk down the sidewalk? a. the person's feet push backward on the sidewalk; the sidewalk pushes backward on the person. b. the person's feet push forward on the sidewalk; the sidewalk does not push on the person. c. the person's feet push backward on the sidewalk; the sidewalk pushes forward on the person. d. the person's feet push forward on the sidewalk; the sidewalk pushes forward on the person.