Answer:
Acceleration= final velocity - initial velocity / time
= (15 - 0)/ 5
= 3 m/s^2
Force = mass X acceleration
= 2 X 10^3 X 3
= 6 X 10^3 N
B. Kinetic energy increase, gravitational potential energy decreases
Answer:
4 Because Hypothesis sentence always have to be "If" and Then a "then"
Answer:
The correct answer is B
Explanation:
The moment of an object is the product of its mass by velocity, it is described by the equation
p = mv
In this problem they give us the most body and speeds before and after the crash. We must define an environment with both bodies so that the forces during the crash have been internalized and the moment is preserved
Δp = pf -p₀
Δp = m
- m v₀
Δp = 2 9 -2 1.5
ΔP = 14.8 m/s
The correct answer is b
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