How many seconds does it take for a car to deliver 4299.1N?

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A 765.1 kg car accelerates from rest to 20.9 m/s under a force of 4299.1 N. The acceleration is calculated using the formula a = f/m, leading to a time calculation t = m * v / f. Substituting the values, the time taken for the car to reach the speed is determined to be approximately 3.71 seconds. This result is confirmed by participants in the discussion, who express appreciation for the solution. The conversation highlights the application of physics principles in calculating acceleration and time.
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A 765.1 kg car accelerates from rest to 20.9 m/s. If the engine can deliver 4299.1 N of force, how many seconds does it take the car to do this?
 
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v = a * t;

we know a = f/m;

t = m * v/f
 
t=m*v/f
t=765.1*20.9/4299.1
t=3.71seconds?
 
Yes, that's right.
 
awesome, thanks alot! i promote you and rock freak to be our class's teacher
 

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