Physics, 12.12.2020 16:20 arturocarmena10
When a radio signal was received by the cornier the small metal pieces inside clean together and allow current to pass through the current with trigger a bell or a piano attached to a paper strip which would make a record of a signal why was the car here and important piece of technology?
A. it led to the development of other devices that use the wave technology.
B. it allowed people to send images long distances.
C. it was the most advanced device that used wave technology ever produced.
D. it read directly to devices like computers
Answers: 3
Physics, 20.06.2019 18:02
Select the correct answer. brian is repairing an old alarm clock. he needs to replace a device that converts the electric energy into sound energy. which of these devices should he use? a. battery b. buzzer c. motor d. switch
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Physics, 21.06.2019 14:50
Use the empirical rule. the mean speed of a sample of vehicles along a stretch of highway is 70 miles per hour, with a standard deviation of 4 miles per hour. estimate the percent of vehicles whose speeds are between 66 miles per hour and 74 miles per hour. (assume the data set has a bell-shaped distribution.)
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What is created when solids,liquids,an gases mix with one another
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Physics, 22.06.2019 07:30
Tall pacific coast redwood trees can reach heights of about 100 m. if air drag is negligibly small, how fast is a sequola cone moving when it reaches the ground f it dropped from the top of a 100 m tree?
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When a radio signal was received by the cornier the small metal pieces inside clean together and all...
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