Q

A car with a mass of 1000 kg is moving at a speed of 25 m/s. If the driver applies the brakes and brings the car to a stop, how much kinetic energy is lost during this process?

RRB Group D 04 Aug, 2026 (4:30 PM - 6:00 PM) 2026
✓ Answer: C 312500 J
The correct choice is 312500 J. It follows from the relevant Newtonian mechanics, motion, work, energy, power or simple-machine relationship.
← Previous Question Next Question →

📚 Related Questions — Mechanics

1 Which simple machine is most directly associated with a threaded fastener? 2 A student claims that a stationary object has kinetic energy because it… 3 Which statement is true for Newton’s third law of motion? 4 Force F₁ accelerates a 5 kg object at 10 m/s², and force… 5 What force is needed to accelerate a 10 kg mass at 2.5… 6 When a gun recoils after firing a bullet, how does its kinetic…