Physics, 19.10.2019 02:00 tinasidell1972
The relationship between period and frequency is represented by the following equation: frequency = 1/period or period = 1/frequency true or false
Answers: 1
Physics, 22.06.2019 13:50
Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?
Answers: 3
Physics, 22.06.2019 17:00
(a) if the pressure in gas is doubled while its volume is held constant, by what factor do (i) vrms and (ii) change? (b) is it possible to boil water at room temperature (20oc) without heating it? explain.
Answers: 3
Physics, 23.06.2019 17:00
Read the passage about bird food and bird watching. noted scientist dr. elsa birde described the effect of adding a mixture of dried apples and raisins to the previous feed of sunflower seeds, millet, thistle seed, and cracked corn in bird feeders in her yard. over three years, dr. birde observed that the new mixture increased the number of songbirds at her feeders, especially during the months of april and may. as she has done for several years, dr. birde recorded, at the same time each day, the number of birds at each of her four feeders. she noted that the third year using the mixture coincided with the largest increase. there was a twenty-five percent increase in the number of songbirds over times when this mixture was not used. dr. birde also noted that in the third year she used a specific ratio of the ingredients, carefully measuring, which she had not done in previous years. the third year also had a warmer than normal spring, and a construction project began in a neighborhood near dr. birde’s. dr. birde is now going to produce this formula for sale and advertise to customers that they may see the same twenty-five percent increase in songbirds at their feeders. dr. e. birde, journal of scientific bird feeding which scientific claim can be made? a. songbird numbers will increase due to the effects of climate change increasing global temperatures. b.songbirds appear more often in april and may. c. a combined ratio is the main reason songbird numbers increased. d. a study by dr. birde showed that the number of songbirds in her yard increased due to a modified food source.
Answers: 2
The relationship between period and frequency is represented by the following equation: frequency =...
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