7.2.1 What do you know?

• What do you know?
• What is kinetic energy?
• How do we calculate Kinetic energy?

1. A particle moves along an x axis.if the particle’s velocity changes from 3 m/s to 2 m/s , the kinetic energy of the particle will:
increase
decrease
remain the same


2. A particle moves along an x axis.if the particle’s velocity changes from -2 m/s to 2 m/s , the kinetic energy of the particle will:
increase
decrease
remain the same
Score =
Correct answers: