You drive a car of mass 1200 kg and accelerate from rest to 50 km/hr in 40 seconds. Calculate the average force applied to the car.
Answers
Answered by
3
Answer:
Force=Mass × Acceleration
=1200×50×5/18×40
=666666.6.... N
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Answered by
0
Answer:
F = 3840 N
W = 153600 Joule
Explanation:
S = UT+1/2AT²
40 = 1/2 A×(5)²
( 40 × 1/2) cross multiplication
80 = A×25
A = 80/25
A = 3.2m/S²
F = MA
F = 1200 × 3.2
F = 3840 N
Work done = FS
W = 3840 × 40
W = 153600 JOULE
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