124k views
4 votes
Two balls, one twice as massive as the other, are dropped from the roof of a building (freefall). Just before hitting the ground, the more massive ball has ______ the kinetic energy of the less massive ball. (Neglect air friction.)

1 Answer

5 votes

KE= 1/2 mv^2

Kinetic Energy is equal to 1/2 x mass x velocity squared

The mass of the larger ball has TWICE
the kinetic energy. KE is directly proportional to the mass.

User Simon Zambrovski
by
8.3k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.