Determine the change in momentum for a vehicle weighing 2.5 t as its speed increases from 54 to 90 km / h.

univerkov | November 27, 2020 | education

Condition:
m = 2.5 t = 2500 kg.
V1 = 54 km / h = 15 m / s.
V2 = 90 km / h = 25 m / s.
To find :
Δp-? kg * m / s.
Decision :
Δp = m * (V2-V1).
[Δp] = kg * m / s.
Δp = 2500 * (25-15) = 2500 * 10 = 25000 (kg * m / s).
Answer: 25000 kg * m / s.

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