Answered

Type the correct answer in the box. What's the kinetic energy of the object? Use KE= 1/2 mv².

Erica is competing in the shot put event at a track meet. She hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. The shot's kinetic energy is _____ joules.



Answer :

colemaikell08

Answer: 162 Joules

Explanation:

Let's remember what the given equation means:

m is the mass (4 kg)

v is the speed (9 m/s)

KE  is the kinetic energy

Now, we can plug everything in:

KE= 1/2 mv²

= 1/2(4)(9)²

= 162 Joules.