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# Force and acceleration

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Suzie (50kg) is roller-blading down the sidewalk going 20 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 0.5 seconds.

a) What is Suzie's average acceleration in meters per second?
b) What force in Newton's was exerted to stop Suzie?
c) Where did this force come from?

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#### Solution Preview

Laws of Motion

Suzie (50kg) is roller-blading down the sidewalk going 20 miles per hour. She notices a group of workers down the walkway who have unexpectedly blocked her path, and she makes a quick stop in 0.5 seconds.
a) What is Suzie's average acceleration in meters per second?
b) What force in newtons was exerted to stop Suzie?
c) Where did this force ...

#### Solution Summary

Numerical problem related to force and acceleration is solved.

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