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, 22.06.2019 01:30
Ablock of mass 1.5 kg slides down an inclined plane that has an angle of 15. if the inclined plane has no friction and the block starts at a height of 3 m, how much kinetic energy does the block have when it reaches the bottom? acceleration due to gravity is g = 9.8 m/s2. a. 6.8 j b. 50.9 j c. 0 j d. 44.1 j
Answers: 1
Physics, 22.06.2019 10:00
Abookcase has a mass of 38 kg and the coefficient of friction between it and the floor is 0.82 what is the maximum force of friction between the bookcase and the floor a 372n b 305n c 412n d 449n
Answers: 1
When a radio signal was received by the cornier the small metal pieces inside clean together and all...
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