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Solnce55 [7]
3 years ago
6

A roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at –7.0 m/s2 to a full stop. Ap

proximately how far does the roller coaster travel during its deceleration?
Physics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer:

 Roller coaster will travel 16.07 meter before coming to stop.

Explanation:

We have equation of motion, v^2=u^2+2as, where u is the initial velocity, u is the final velocity, s is the displacement and a is the acceleration.

In this case we have final velocity = 0 m/s, initial velocity = 15 m/s, and acceleration = -7 m/s^2.

0^2=15^2-2*7*s\\ \\ 14s=225\\ \\ s=16.07m

So, roller coaster will travel 16.07 meter before coming to stop.

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