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AnnyKZ [126]
3 years ago
5

What must you learn before you ca calculate you target heart rate for exercise

Physics
1 answer:
kozerog [31]3 years ago
8 0
You must learn your resting heart rate, rate at which your heart beats during excerpts and etc you pretty much just need a heart rate monitor
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A standing wave has a frequency of 471 Hz and a wavelength of 1.9. What is the speed of the
Brums [2.3K]

Answer:

c = 894.90 m/s

Explanation:

Given data:

Frequency of wave = 471 Hz

Wavelength of wave = 1.9 m

Speed of wave = ?

Solution:

Formula:

Speed of wave = frequency × wavelength

c = f×λ

c = 471 Hz × 1.9 m

  Hz = s⁻¹

c = 471s⁻¹ × 1.9 m

c = 894.90 m/s

The speed of wave is 894.90 m/s.

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