2. 1D Motion / Kinematics
Kinematics Equations
Multiple Choice
Multiple ChoiceCertain 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 70.0 cm long and the bullet is accelerated uniformly from rest within it.
For how long (in ms) is the bullet in the muzzle?
A
144 ms
B
1.44 ms
C
0.722 ms
D
1440 ms
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