Question

vehicle expand energy of 25,000 joules while moving at a constant speed of 5 m/s. what is the mass of the car​

Answer 1

Answer:

mass= 2×25000/25= 2000= 2kg

mass is 2kg

Answer 2

Answer:

I think the answer is 2000kg

Explanation:

the body is moving with kinetic energy

so 1/2m v² = 25000 j

m = 25000 ×2 / 5²

tha is m = 2000 kg