PLI CAN SOMEONE CAN HARLP ME As Betty waits, she counts the number of waves that pass her during a 10-second period; she counts just 1 She estimates that the distance between crests is 6 meters. Betty sees the perfect wave and begins paddling. She pushes herself up, stands on the surfboard and rides the wave all the way in to shore, a distance of about 60 meters. It takes her about 10 seconds to ride the wave in. Use two methods to calculate the speed of the wave based pn the information presented. Are they the same? Explain how you got your answers.

1. 0.6 m/sec.    2. 6m/sec

Explanation:

Frequency = 0.1/sec wavelength = 6 m

speed = freq x wavelength = 0.6 m/sec

speed = distance/time = 60/10 = 6m/sec

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

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