A 20,000 kg truck is traveling at 10 m/s. Calculate the truck's momentum. (p = m v) If the truck collides with a wall, and the crush zone takes 0.01 s to stop the truck, what is the force experienced by the truck during the collision? (F Δt = m Δv => F = (m Δv)/Δt )

200,000 and 20,000,000

Explanation:

Substituting the values into the equation of momentum, we get that the momentum is p = mv = 20,000*10 = 200,000. Using the equation provided to solve for the force the truck experienced, we find: 20,000*10/0.01 = 20,000,000.

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specific latent heat of fusion, lf, of a substance is defined as the amount of heat required to change a unit mass of the substance from solid to liquid state, without any change in the temperature.

explanation:

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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