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A train traveling at a constant speed of 2 6 . 8 m s rounds a curve of radius 2 5 5 m . A
A train traveling at a constant speed of rounds a curve of radius A chandelier suspended from the ceiling swings out an angle from the vertical throughout the turn.
a Draw the free body diagram for the chandelier. Break any vectors that do not lie on axis' into their components.
b Write a sum of forces equation for the vertical direction. Explain why you have chosen to apply either the or law.
c Write a sum of forces equation for the horizontal direction. Explain why you have chosen to apply either the or law.
d Combine the equations to establish an equation that can be used to calculate the angle the chandelier swings.
e Calculate
The second hand on a wall clock is long.
a What is the period of motion in seconds?
b What is the velocity of the tip of the second hand in
c What is the acceleration of the tip of the second hand in
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