Biology, 25.09.2020 14:01, squawk1738
A teacher was having her students explore if the pitch of a soundwave could be changed using the same object. The teacher gave her students some rubber bands that were all the same length and thickness. She then asked her students to stretch the rubber bands across some nails in a board shown in the illustration below. She then asked the students to pluck each string like a guitar and observe the type of sound each rubber band made
Answers: 2
Biology, 22.06.2019 02:30, vcwann6055
Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated
Answers: 1
Biology, 22.06.2019 18:00, chayaharroch03
1. you serve a volleyball with a mass of 2.1 kg. the ball leaves your hand with a speed of 30 m/s. the ball has energy. calculate it. 2. a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby weighs 12 n. the carriage has energy. calculate it. 3. a car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. the car has . calculate it.
Answers: 1
A teacher was having her students explore if the pitch of a soundwave could be changed using the sam...
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