Asked by Anonymous
A car X moving of mass 500kg accelerates at 1m/s2 when the force due to the engine is 600N.
Starting from rest, a car of mass 1000kg accelerates steadily to 20m/s in 10 secs. What is the average power developed
Starting from rest, a car of mass 1000kg accelerates steadily to 20m/s in 10 secs. What is the average power developed
Answers
Answered by
Henry
2. V = Vo +a*t
20 = 0 + a*10,
a = 2 m/s^2.
F = M*a = 1000 * 2 = 2,000 N.
P = F*V/2 = 2000 * 20/2 = 20,000J/s = 20,000 Watts.
20 = 0 + a*10,
a = 2 m/s^2.
F = M*a = 1000 * 2 = 2,000 N.
P = F*V/2 = 2000 * 20/2 = 20,000J/s = 20,000 Watts.
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