Physics, 28.09.2020 16:01 brenmichelle24
occurs when a body’s molecular wavelength sends vibrations to another body, resulting in the production of another sound wave.
Correct Answer
a) Resonance
b) Focusing
c) Refraction
Incorrect Response
d) Interference
Answers: 2
Physics, 22.06.2019 11:40
Imagine that you have two balloons (or, better yet, actually inflate two balloons, if possible). create static electricity around one of the balloons by rubbing it against your hair or your sweater and then bring that balloon close to the other balloon, which has not been charged. try this with at least one other object—and for variety in the discussion, avoid using an object already described by your classmates. then, for your initial post to the discussion, answer the following questions: what happened with the two balloons?
Answers: 3
Physics, 23.06.2019 04:31
The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)
Answers: 2
Physics, 23.06.2019 08:00
(10 pts! ) the major factor which causes seasonal weather changes on the earth is: a. elliptical orbit b. variation in distance from sun c. tilt of the axis d. atmosphere
Answers: 2
occurs when a body’s molecular wavelength sends vibrations to another body, resulting in the product...
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