118k views
3 votes
What is the kinetic energy of an object that has a mass of 50.0 kg and a velocity of 18 m/s? A.450 J B.900 J C.8,100 J D.16,000 J

2 Answers

5 votes

Answer:

8,100 j

Step-by-step explanation:

edgunuity

User Miroslav Ligas
by
8.4k points
4 votes
KE = (1/2)·(mass)·(speed)²

KE = (1/2)·(50 kg)·(18 m/s)²

KE = (25 kg)·(324 m²/s²)

KE = 8,100 kg-m²/s²

KE = 8,100 Joules
User Serg Shevchenko
by
8.5k points