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2 cards from this section. Quick, good the night before a test.
Define impulse in relation to force and time.
Think of the formula: Impulse = Force × Time.
What does an impulsive force refer to?
Consider examples like collisions or strikes.
Impulse is equal to which of the following?
Think about the formula for impulse.
True or False: An impulsive force acts for a long duration.
Consider the characteristics of impulsive forces.
A bullet of mass 0.02 kg is fired at 400 m/s. Calculate the impulse on impact if it comes to a stop after hitting a target in 0.01 seconds.
Use the definition of impulse in terms of momentum.
A car wreck occurs where the vehicle decelerates from 30 m/s to rest in 2 seconds due to an impulsive force. Find the average force exerted if the car's mass is 1000 kg.
Relate impulse back to force and time, considering the change in momentum.
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