Recent content by t246335

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    Finding the angle of a pendulum in SHM

    Homework Statement A clock pendulum oscillates at a frequency of 1.5 Hz. At t = 0, it is released from rest starting at an angle of 20° to the vertical. Ignoring friction, what will be the position (angle) of the pendulum at the following times? (Hint: Do not confuse the angle of swing θ of...
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    Why is the derivative of a circle's area its perimeter?

    Homework Statement Explain why the relationship of the derivative of a Circle's area is its perimeter makes sense. Homework Equations Area of a Cirle=pi*r^2 The Attempt at a Solution da/dr=2pi*r 2r=diameter and the circumfrece=pi*D so da/dr=Circumfrence How do i explain why...