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Crank
3 years ago
15

A person bounces up and down on a trampoline, while always staying in contact with it. The motion is simple harmonic motion, and

it takes 1.90 s to complete one cycle. The height of each bounce above the equilibrium position is 45.0 cm. Determine (a) the amplitude and (b) the angular frequency of the motion. (c) What is the maximum speed attained by the person?
Physics
1 answer:
Alex777 [14]3 years ago
8 0

Answer:

(a) 45 cm (b) 3.305 rad/sec (c) 1.4875 m/sec

Explanation:

It is given that the motion is simple harmonic and it takes 1.90 sec to complete a cycle

The frequency is defined as the reciprocal of time taken to complete one cycle so f=\frac{1}{1.90}=0.5263\ Hz

(a) As it is given that the height of each bounce above the equilibrium positon is 45 cm so amplitude will be 45 cm

(b) The angular frequency ω is given by \omega =2\pi f=2\times 3.14\times 0.5263=3.3051  rad/sec

(c) The maximum speed V_{max} is given by V_{max}=\omega A  where ω is angular frequency of the motion and A is the amplitude So V_{max}=3.305\times 45\times 10^{-2}=1.4875\ m/sec

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