A Gun Is Made of a Super-Low-Weight but Strong Material

Multiple Choice

A gun is made of a super-low-weight but strong material. The bullet for the gun is more massive than the gun itself. For such a gun

A) recoil problems would be lessened.
B) the gun, if unsupported, would have a recoil velocity higher than the bullet velocity.
C) conservation of momentum is not satisfied.
D) the bullet would go faster with less powder.