Physics
JAMB 2021
A car of mass 800kg attains a speed of 25m/s in 20secs. The power developed in the engine is?
-
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
There is an explanation video available below.
Report an Error
Ask A Question
Download App
Explanation Video
Quick Questions
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}