A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at â7.0 meters per second2 to a

Question

Leokris [45]

3 years ago

11

A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at â7.0 meters per second2 to a

full stop. approximately how far does the roller coaster travel during its deceleration?

Physics

1 answer:

Harrizon [31] · Answer 1 · 2022-02-18T10:03:53+03:00

Harrizon [31]3 years ago

8 0

<span>By algebra, d = [(v_f^2) - (v_i^2)]/2a. Thus, d = [(0^2)-(15^2)]/(2*-7) d = [0-(225)]/(-14) d = 225/14 d = 16.0714 m With 2 significant figures in the problem, the car travels 16 meters during deceleration.</span>