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Physics, 11.12.2020 05:10 austinmontgomep7foxp

Candace makes an image of a wave by shaking a sparkler up and down while running on the 4th of July. She shakes her hand up and down 3 times each
second. What is the period of vibration of the sparkler?

PLEASE HELP ASAP WILL DO BRAINLEST FOR IT

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