Question

What is the kinetic energy of a disk with a mass of 0.20 g and a speed of 15.8 km/s?

Answer 1

0.025J

Step-by-step explanation:

Kinetic energy = ½ × Mass × velocity²

0.20÷1000=0.0002

½ × 0.0002 × 15.8²=0.024964J