1) The U. S. army needed a weapon to stop surprise attacks by lurking enemies. T
ID: 1405112 • Letter: 1
Question
1)The U. S. army needed a weapon to stop surprise attacks by lurking enemies. They developed the 45 calibre semi-automatic pistol which fires a large slug. They needed the large slug because it has a lot of
Potential
Rotation
Length
Mass
2) A driver sees a deer on the road and slams on his brakes. A passenger sitting beside the driver without a seat belt smashes into the dashboard. The passenger did not stay in his seat because
A moving body continues in constant motion unless acted on by an outside force.
The passenger forgot about his inertia.
The driver forgot about the passenger's inertia.
Inertia played no role in this accident.
3)
A 100 pound scaffold supports two 200 pound men. The right support rope experiences a tension of 300 pounds.
What is the tension in the left rope?
100 pounds
150 pounds
200 pounds
300 pounds
a.Potential
b.Rotation
c.Length
d.Mass
Explanation / Answer
1) a) potential
larger slug has greater mass and hence greater potential of penetrating deeper.
2) a)
the upper body of the passenger continued forward while the lower part of the body came to rest with the car. as a result the passenger fell towards dashboard
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