it provides that whoever did it was pretty smart to grind the serial number off of the gun they used and the bullets that way a make couldnt be traced back individual i guess
Answer:
-11 m
Explanation:
Given:
v₀ = 12.5 m/s
v = -13.7 m/s
t = 18.3 s
Find: Δx
Δx = ½ (v + v₀) t
Δx = ½ (-13.7 m/s + 12.5 m/s) (18.3 s)
Δx = -11 m
Answer:
The magnitude of air = 392N
Explanation:
We use Newton's 2nd law. The sum of the vertical forces must be equal to zero because at terminal speed , the acceleration is zero. Solving for the air resistance force,F(air ) gives:
EFvertical = mg - F(air)= ma
F(air) = mg = 40 × 9.8 = 392N
Answer:
A. Archinedes
Explanation:
Archimedes' principle states that a body immersed in a fluid is subjected to an upwards force equal to the weight of the displaced fluid. This is a first condition of equilibrium.