Physics, 22.12.2019 05:31 chloeozenghar1
What is the speed of sound in air when the temperature is 20°c?
319 m/s
331 m/s
343 m/s
219 m/s
Answers: 3
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Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine
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Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
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How many neutrons does plutonium -196 with an atomic number of 78.
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Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
Answers: 1
What is the speed of sound in air when the temperature is 20°c?
319 m/s
331 m/s
3...
319 m/s
331 m/s
3...
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