Explanation:
Take south to be negative.
a. Momentum is mass times velocity.
p = mv
p = (540 kg) (-6 m/s)
p = -3240 kg m/s
p = 3240 kg m/s south
b. Impulse = change in momentum
J = Δp
Since the mass is constant:
J = mΔv
J = (540 kg) (-4 m/s − (-6 m/s))
J = 1080 kg m/s
J = 1080 kg m/s north
"Constant velocity" is another way of saying "zero acceleration".
Biotic is the living factors while abiotic is nonliving such as a rock
In short, and in general:
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The fourth dimension is technically time. the fourth dimension that you are talking about is actually impossible to comprehend.
