Two students run a race. Student A is 50 kg and runs at 5 m/s. Student B is 30 kg and runs at 2 m/s. Which student has more Kinetic energy?

Question

asked Feb 8, 2022 156k views

1 Answer

Pietro Saccardi · Answer 1 · 2022-02-13T17:16:46+0000

Answer:

Step-by-step explanation:

KEA = ½(50)5² = 625 J

KEB = ½(30)2² = 60 J

Student A has more kinetic energy.

More than ten times more kinetic energy due to both larger mass and higher velocity.