Register

A car has a mass of 2500 kg and accelerates from rest to a speed of 10,0 m/s in 5,0 s. The average power of the engine during this acceleration is...?

A car has a mass of 2500 kg and accelerates from rest to a speed of 10,0 m/s in 5,0 s. The average power of the engine during this acceleration is...?
asked 211k views
19 votes
A car has a mass of 2500 kg and accelerates from rest to a speed of 10,0 m/s in 5,0 s. The average

power of the engine during this acceleration is...?

asked
User Jason Govig
by
8.4k points

1 Answer

7 votes

P = W/t

W = ΔPE = ΔKE


\tt P=(\Delta KE)/(t)\rightarrow v_1=0,KE_1=0\\\\P=(KE_2-KE_1)/(t)\\\\P=((1)/(2)* 2500* 10^2-0 )/(5)=2.5* 10^4~watt

answered
User Geoffrey Bachelet
by
8.5k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
Link Copied!