Name
Date
Kinetic energy: mass and speed data — Homework
Use KE = 1/2 x m x v^2. Square the speed before multiplying.
- 1.A 2 kg ball moves at 5 m/s. Find its kinetic energy.
- 2.A 4 kg ball moves at 3 m/s. Find its kinetic energy.
- 3.A 10 kg cart moves at 2 m/s. Find its kinetic energy.
- 4.A cyclist triples their speed. By what factor does their kinetic energy increase?
- 5.Explain why a small, fast baseball can do as much damage on impact as a heavier, slow-moving object.
🌲 Homeschool of the FutureEighth Grade · Science · week 10 homework