Question

5. A car has a kinetic energy of 4.32x105 J when traveling at a speed of 23 m/s. What is

its mass?​

Answer 1

m = 163.33 kg

Step-by-step explanation:

KE = 4.32x10^5

V = 23

KE = 1/2 mv^2

4.32x10^5 = 1/2 * m * 23^2

8.64x10^5 = 529m

m = 163.33 kg