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Praxis II General Science

Category - Physics

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Tom pushes his broken car across the road with a force of 200 newtons. If his car weighs 800 kg, how fast will it accelerate?

0.25 m/s²
0.50 m/s
1.50 m/s²
2.00 m/s
4.00 m/s²

Explanation

Answer: A - The car will accelerate at 0.25 m/s². According to Newton’s second law, F = m*a. The force is 200 N and the mass is 800 kg. Thus, acceleration = 200/800 m/s² or 0.25 m/s².

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