SOLUTION: A net force of 5,000.0 N accelerates a car from rest to 90.0 km/h in 5.0 s. (a) What is the mass of the car? (b) What is the weight of the car?

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Question 1177346: A net force of 5,000.0 N accelerates a car from rest to 90.0 km/h in 5.0 s. (a) What is the mass
of the car? (b) What is the weight of the car?
Answer by ikleyn(52767) About Me  (Show Source):
You can put this solution on YOUR website!
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90 km/h = 90000%2F3600  m/s = 25 m/s.


Acceleration  a = 25 m/s : 5 s = 5 m/s^2.


Mass  m = F%2Fa = 5000 N : 5 m/s^2 = 1000 kilograms.

ANSWER.   The mass of the car is   1000   kilograms.