Thank you for visiting An object s speed increases from 10 5 km h to 99 8 km h in 2 41 seconds Calculate the acceleration in text m. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
Final answer:
The acceleration of the object is calculated by converting the speeds into m/s and using the formula for acceleration. The answer is 10.3 m/s² to three significant figures.
Explanation:
To calculate the acceleration, first, we need to convert the speeds from km/h to m/s because the standard unit of acceleration is m/s² .
1 km/h = 0.278 m/s.
So, initial speed is 10.5 km/h = 2.92 m/s and final speed is 99.8 km/h = 27.72 m/s.
Acceleration is calculated using the formula : Acceleration = (Final speed - Initial speed) / Time taken
Substituting the given values into the equation, we will get Acceleration = (27.72 m/s - 2.92 m/s) / 2.41 s = 10.3 m/s².
Therefore, the acceleration of the object is 10.3 m/s² to three significant figures.
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