Based on the time measurements in the table, what can be said about the speed of the car on the lower track as compared to the h
igher track? _________
a. cars travel faster on the lower track
b. cars travel faster on the higher track
c. There is no difference in speed
How can the reasoning for the above answer be best explained? On the higher track, the elapsed time is__________
a. Shorter
b. Longer
c. Equal
Calculate speeds for each track. How much faster was the car on the higher track than the lower track?__________
a. .56 m/s
b. 1.54 m/s
c. 3.50 m/s
a. cars travel faster on the lower track
b. cars travel faster on the higher track
c. There is no difference in speed
How can the reasoning for the above answer be best explained? On the higher track, the elapsed time is__________
a. Shorter
b. Longer
c. Equal
Calculate speeds for each track. How much faster was the car on the higher track than the lower track?__________
a. .56 m/s
b. 1.54 m/s
c. 3.50 m/s
2 answers:
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Answer:
(a) I=0.01 kg.m²
(b) I=0.03 kg.m²
Explanation:
Given data
Mass of disk M=2.0 kg
Diameter of disk d=20 cm=0.20 m
To Find
(a) Moment of inertia through the center of disk
(b) Moment of inertia through the edge of disk
Solution
For (a) Moment of inertia through the center of disk
Using the equation of moment of Inertia
For (b) Moment of inertia through the edge of disk
We can apply parallel axis theorem for calculating moment of inertia