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1540kg car accelerates from rest to 120mph in a distance of 214m?
How long does it take the car to travel this distance?
I need help with this physics problems. I pretty much just don t know how to find the acceleration for solving this problem. Thank you for any help.
1 Answer
- 5 years agoFavorite Answer
Use the formula x=(v_f-v_i)t/2. You don't need the mass, and you don't need to find the acceleration. Solving for t, you get t = 2x/ (v_f-v_i). Then plug in your numbers: t = 2(214m)/(120m/s) = 3.53s.
