Answer:
i can help you i know this answer
-- Find the mass of all the pieces before the reaction.
-- Find the mass of all the pieces after the reaction.
-- Find the difference . . . (mass before) minus (mass after)
-- If any mass is missing, either you lost track of it, or else
it was converted to energy.
How much energy ?
(the missing mass) times c² .
Answer:
F = 5702.56 N
Explanation:
Given that,
Mass of a small car, m = 800 kg
Initial speed of the car, u = 27.8 m/s
Final speed, v = 0
Time, t = 3.9 s
We need to find the force did it take for the car to stop.
The force acting on an object is given by :

So, the magnitude of force acting on the car to stop is 5702.56 N.
Answer:
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Explanation: