Physics, 19.09.2019 13:30 ninilizovtskt
Which of these waves travel the fastest? . a. sound waves in air. b. sound waves in water. lc. ight waves in water. d. light waves in vacuum.
Answers: 1
Physics, 21.06.2019 18:20
What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green
Answers: 2
Physics, 22.06.2019 02:30
Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.
Answers: 3
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 12:30
Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.
Answers: 1
Which of these waves travel the fastest? . a. sound waves in air. b. sound waves in water. lc. ig...
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