In a physics lab, students measure the time it takes a small cart to slide a dis
ID: 3896530 • Letter: I
Question
In a physics lab, students measure the time it takes a small cart to slide a distance of 1.20 m on a smooth track inclined at an angle ? above the horizontal. Their results are given in the second row of the following table. Find the acceleration of the cart for each angle, and enter these results in the third row of this table. Calculate and tabulate the quantities sin ? and g sin ? in order to show that your results for the accelerations are in close agreement with the formula, a = g sin ?. (We will derive this formula in Chapter 5.)
? 9.0Explanation / Answer
Theta
9
18
27
time
1.25
0.890
0.734
a
1.535
3.03
4.454
Sin (thetha)
0.156
0.31
0.454
g sin thetha
1.535
3.03
4.454
Theta
9
18
27
time
1.25
0.890
0.734
a
1.535
3.03
4.454
Sin (thetha)
0.156
0.31
0.454
g sin thetha
1.535
3.03
4.454
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