- #1

bobbricks

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## Homework Statement

A simple pendulum of length =30.0cm is released from rest from an angle of θ=10.0∘ to the vertical.

Assuming that the pendulum undergoes simple harmonic motion, find its maximum speed.

Source: https://isaacphysics.org/questions/accuracy_shm_pendulum_num

## Homework Equations

a) v=wA

b) T=2pi*root(L/g) --possibly?

## The Attempt at a Solution

A=0.3-0.3cos10

w=2pi/T

so w=root(g/L) by subbing equation a) into b).

g=9.81 and L=0.3.

so v=root(9.81/0.3)*(0.3-0.3cos10)

=0.02606... ms^(-1)

But that isn't the correct answer?