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Ch 02: 1D Motion / KinematicsWorksheetSee all chapters

# Kinematics Equations

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Concept #1: Kinematics Equations

A car accelerates from 5.0 m/s to 21 m/s at a rate of 3.0 m/s2. How far does it travel while accelerating?

Practice: A moving hockey puck encounters a patch of rough ice and slides 90cm before coming to a full stop. Assuming a constant deceleration of 8 m/s2, what was the puck’s initial speed?

Certain rifles can fire a bullet with a speed of 970 m/s just as it leaves the muzzle (this speed is called the muzzle velocity). The muzzle is 71.0 cm long and the bullet is accelerated uniformly from rest within it.

For how long (in ms) is the bullet in the muzzle?

Concept #2: Acceleration Signs

Concept #3: Acceleration with Multiple Parts

Practice: A shuffleboard disk is accelerated at a constant rate from rest to 6.0 m/s over a 1.8 m distance by a player
using a cue. At this point the disk loses contact with the cue and slows at a constant rate of 2.5 m/s2 until it stops. (a) How much time elapses from when the disk begins to accelerate until it stops? (b) What total distance does the disk travel?

Example #1: Subway Train