Physics, 22.04.2021 18:50 KingMack1136
A soldier is tasked with measuring the muzzle velocity of a new rifle. Knowing the principles of projectile motion, he
decides to perform a simple experiment at the indoor firing range. The soldier hangs a target a distance of d = 121 m from
the end of the barrel. The rifle is mounted so that the bullet exits moving horizontally at the same height as the bullseye.
After several trials, the soldier finds that the bullet strikes the target an average of 5.5 cm, below the bullseye.
d
7
O
11
11
1
-
-
-
-
-
-
-
h
V
M
What muzzle velocity should the soldier report to his sergeant?
Velocity:
2.65
m/s
Incorrect
Answers: 3
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Visualize the problem and identify special cases first examine the problem by drawing a picture and visualizing the motion. apply newton's 2nd law, ∑f⃗ =ma⃗ , to each body in your mind. don't worry about which quantities are given. think about the forces on each body: how are these consistent with the direction of the acceleration for that body? can you think of any special cases that you can solve quickly now and use to test your understanding later? one special case in this problem is if m2=0, in which case block 1 would simply fall freely under the acceleration of gravity: a⃗ 1=−gj^.
Answers: 1
A soldier is tasked with measuring the muzzle velocity of a new rifle. Knowing the principles of pro...
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