Sally is training for the 1,000-meter running race at her school. Her goal is to place third or better. How can Sally determine
1 answer:
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Answer:
Explanation:
Given
mass
Force
door knob is located at a distance of r=0.8 m from axis
Angular acceleration of door
Torque
where I=moment of inertia
Answer:
The deformation is 0.088289 m
The final height of the monument is 170-0.088289 = 169.911702 m
Explanation:
Thermal coefficient of marble varies between (5.5 - 14.1) ×10⁻⁶/K = α
So, let us take the average value
(5.5+14.1)/2 = 9.8×10⁻⁶ /K
Change in temperature = 35-(-18) = 53 K = ΔT
Original length = 170 m = L
Linear thermal expansion
The deformation is 0.088289 m
The final height of the monument is 170-0.088289 = 169.911702 m (subtraction because of cooling)