please help! thanks! 3. Use the (velocity vs time) graph below to answer the fol

Question

please help! thanks!

3. Use the (velocity vs time) graph below to answer the following three questions: (2points)» Linear Fit for: Data Set I velocity v = mt+b m (Slope): 4.393+-0.3126 m/s/s b (Y-Intercept): 1.429 +- 1.398 m/s Correlation: 0.9876 RMSE: 1.654 a) What is the acceleration of the object and its error according to the graph? b) What physics quantity does the slope of the velocity vs time graph presents?_ c) If the graph was generated using the set-up of Lab "Newton's Second Law" was the cart moving toward or away from the motion sensor?

Explanation / Answer

a) As per the graph , the accleration is 4.393 m/s2 and the error is +/-0.3126 m/s2

b) Slope of velocity - time graph represents acceleration.

c) The cart was moving towards the motion sensor. The reason being the senson will be able to detect small changes in velocity.  

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