Question

A dog has a speed of 7 m/s and a mass of 45 kg. What is the dog's kinetic

energy?
O A. 157.5 J
O B. 2205.0J
O C. 1102.5 J
O D. 550.5 J
SUBMIT

Answer 1

C

Step-by-step explanation:

K.E= 1/2(mv^2)

K.E=1/2(45kg•(7m/s)^2)

K.E= 1/2(45kg•49m^2/s^2)

K.E= 1/2(2205J)

K.E= 1102.5