Physics, 30.03.2021 01:00, jetblackcap
A figura mostra a visão aérea de um parque onde existem ruas que podem ser utilizadas para corridas e caminhadas. Nesse parque há uma pista ABCA, em forma de um triângulo retângulo, em que uma pessoa corre dando voltas sucessivas. Considerando que as medidas dos catetos AB e BC são, respectivamente, 60 m e 80 m, e que o tempo
cronometrado para dar uma volta no trecho ABCA foi de 1 minuto, determine:
a) a medida do segmento AC;
b) a velocidade da média desenvolvida pela pessoa nesse percurso.
Answers: 1
Physics, 21.06.2019 19:00, isabellemdeakin
An object is located 30.0 cm from a concave mirror. the focal length is 15.0 c,. what is the image distance? a. 30.0 cm b. -10 cm c. 10.0 cm d. -30.0 cm
Answers: 1
Physics, 22.06.2019 00:40, camco301
Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ
Answers: 3
Physics, 22.06.2019 12:50, johnthevarietyboy200
The heliocentric and the geocentric models of the solar system included these central principles
Answers: 1
A figura mostra a visão aérea de um parque onde existem ruas que podem ser utilizadas para corridas...
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