Jennifer works for an automaker and tests the safety performance of cars. She watches a 2,000-kilogram car crash into a wall with a force of 30,000 newtons. What’s the acceleration of the car at impact? Use F = ma. The car accelerates at a rate of meters/second2 at impact.
Question
Jennifer works for an automaker and tests the safety performance of cars. She watches a 2,000-kilogram car crash into a wall with a force of 30,000 newtons. What’s the acceleration of the car at impact? Use F = ma. The car accelerates at a rate of meters/second2 at impact.
Solution
To find the acceleration of the car at impact, we can use the formula F = ma, where F is the force, m is the mass, and a is the acceleration.
Given: F = 30,000 newtons m = 2,000 kilograms
We need to solve for a, so we rearrange the formula to get a = F/m.
Substituting the given values into the formula, we get:
a = 30,000 N / 2,000 kg = 15 m/s²
So, the car accelerates at a rate of 15 meters per second squared at impact.
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