The energy of a 445 nm wave can be calculated using the formula E = hc/λ, where h is Planck's constant, c is the speed of light, and λ is the wavelength. Plugging in the values, we get E ≈ 4.45 x 10^-19 joules.
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The speed of a wave can be calculated using the formula v = λ * f, where v is the speed, λ is the wavelength, and f is the frequency. Plugging in the values: v = 10 mm * 5.0 Hz = 50 mm/s.
The speed of the wave can be calculated using the formula v = fλ, where v is the speed, f is the frequency, and λ is the wavelength. Plugging in the values, we get v = 5.0 Hz * 10 mm = 50 mm/s.
The typical amplitude of a P wave on an electrocardiogram (ECG) is usually less than 0.25 mV (2.5 mm).
The period of a wave can be calculated using the equation Period = Wavelength / Wave Speed. Plugging in the values, we get Period = 10 mm / 50 m/s = 0.2 milliseconds.
The wavelength can be calculated by dividing the distance between 21 crests (80 mm) by the number of crests. In this case, the wavelength would be 80 mm / 21 crests = approximately 3.81 mm.