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sladkih [1.3K]
3 years ago
13

The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kg.m/s. What is the velocity

of the vehicle?
Physics
1 answer:
liraira [26]3 years ago
8 0

Answer:

Velocity of the vehicle (v) = 6.5 m/s

Explanation:

Mass of automobile (m) = 1200 kg

Momentum of vehicle (p) = 7800 kg m/s

By using formula of momentum:

\rm p = mv \\  \rm 7800 = 1200 \times v \\  \rm v =  \frac{7800}{1200}  \\  \rm v = 6.5  \: m {s}^{ - 1}

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