Asked by Anonimo
How long it takes for a 800 kg car going from 0 km / h at 90 km / h if we assume that the machine delivers a constant power of 40 HP during this period?
Answers
Answered by
Elena
1hp = 745.66 W,
40 hp = 29826.5
v=90 km/h = 25 m/s
ΔKE =P•t
t=mv²/2•P = 800•25²/2•29826.5 = 8.4 s.
40 hp = 29826.5
v=90 km/h = 25 m/s
ΔKE =P•t
t=mv²/2•P = 800•25²/2•29826.5 = 8.4 s.
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.