(Mon) You are watching waves at the beach. If you count 10 waves come up on the beach in 30 seconds, what is the period of the beach waves? (5 min / 6.

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Presentation transcript:

(Mon) You are watching waves at the beach. If you count 10 waves come up on the beach in 30 seconds, what is the period of the beach waves? (5 min / 6 pts)

T = 30 seconds / 10 waves (Mon) You are watching waves at the beach. If you count 10 waves come up on the beach in 30 seconds, what is the period of the beach waves? (5 min / 6 pts) T = # seconds / # Waves T = 3 seconds / wave

(Tue) You have 2 wave pulses that come together on a slinky. If one wave has an amplitude of +5 cm and the other wave has an amplitude of -3 cm, what is the amplitude of the wave that is made when they meet? (5 min, 6 pts)

Final Wave = Wave 1 Amplitude + Wave 2 Amplitude Final Wave Amplitude = (+5 cm) + (-3 cm) Final Wave Amplitude = +2 cm

(Wed) You are tuning a guitar and are playing 2 strings at the same time. If one string has a frequency of 250 Hz and the second string has a frequency of 260 Hz, what is the frequency of the beats that you hear? (5 min / 6 pts)

# Beats = f 2 – f 1 # Beats = 260 Hz – 250 Hz # Beats = 10 Hz 260 Hz 250 Hz 10 Hz

(Thu) In the picture below, a fire truck is traveling with its siren blowing. If the fire truck and all the cars are traveling at the same speed, which car will hear the siren at a higher frequency, a lower frequency and the same frequency as the people on the fire truck? (5 min / 6 pts)

Higher Frequency Lower Frequency Same Frequency Car “A” Car “B” Car “C”

(Fri) We have talked about 2 major types of waves – sound waves and light waves. Each is a different type of wave. What type of wave is a sound wave and what type of wave is a light wave? (5 min / 4 pts)

Sound Wave is a Light Wave is a Longitudinal Wave Transverse Wave Mechanical Wave Electromagnetic Wave

End of Week Procedures 1.Add up all the points you got this week 2.Put the total number of points at the top of your page (out of 28 points) 3.List any dates you were absent or tardy (and why) 4.Make sure your name and period # is on the top of the page 5.Turn in your papers