Multiple Choice
Conservation of momentum: A baseball is thrown vertically upward and feels no air resistance. As it is rising
A) both its momentum and its mechanical energy are conserved.
B) its momentum is not conserved, but its mechanical energy is conserved.
C) both its momentum and its kinetic energy are conserved.
D) its kinetic energy is conserved, but its momentum is not conserved.
E) its gravitational potential energy is not conserved, buts its momentum is conserved.
Correct Answer:

Verified
Correct Answer:
Verified
Q27: Explosions in one dimension: A 10.0-kg shell
Q28: Center of mass: A long thin rod
Q29: Collisions: A small car has a head-on
Q30: Impulse-momentum: Consider two less-than-desirable options. In the
Q31: Center of mass: There must be equal
Q33: Inelastic collisions in two dimensions: A 900-kg
Q34: Elastic collisions in two dimensions: A billiard
Q35: Elastic collisions in one dimension: A car
Q36: Collisions: In an INELASTIC collision between two
Q37: Inelastic collisions in one dimension: In the