Search SchoolNGR

Wednesday, 01 April 2026
Register . Login

A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the ...

A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 1.25 x 10\(^{4}\)W
  • B 2.50x 10\(^{4}\)W
  • C 1.25 x 10\(^{6}\)W
  • D 2.50 x 10\(^{6}\)W
Correct Answer: Option B
Explanation:
P = \(\frac{mv^{2}}{t} = \frac{800 \times 25 \times 25}{20}\)
2.5 x 10\(^{4}\)W

Share question on: