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.
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.
Solution
To solve this problem, we need to use the formula F = ma, where F is the force, m is the mass, and a is the acceleration. We are given F (force) as 30,000 newtons and m (mass) as 2,000 kilograms. We need to find a (acceleration).
Step 1: Write down the formula: F = ma
Step 2: Substitute the given values into the formula: 30,000 = 2,000 * a
Step 3: Solve for a (acceleration). To do this, divide both sides of the equation by the mass (2,000 kg): a = 30,000 / 2,000
Step 4: Calculate the value of a: a = 15 m/s²
So, the acceleration of the car at impact is 15 meters per second squared.
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