Physics, 05.10.2019 03:20 youngchapo813p8d9u1
Three students are having a conversation. it goes like this. allison says: "this problem says, can you add a resistor to the circuit so that the current provided to the circuit by the battery increases. how is that possible? for the current to increase, the overall resistance of the circuit has to decrease. doesn't adding a resistor always increase the resistance of the circuit? " nima says: "let's try putting the resistor in series with the other resistors. look, it doesn't matter where we put it, adding it in series always increases the resistance of the circuit, and that decreases the current." natasha says: "that's absolutely right. however, what if we placed the new resistor in parallel with one of the others. look, if we do that, the resistance of that part of the circuit goes down. that has to increase the current from the battery."which of the students are absolutely correct here?
Answers: 3
Physics, 21.06.2019 17:10
Aseries circuit consists of a resistor with r = 20 ? , a capacitor with c = 0.01 f, and a decaying battery with e = 300e? 5t. if the initial charge is 0, find the charge as a function of time t
Answers: 2
Physics, 22.06.2019 05:20
Very large accelerations can injure the body, especially if they last for a considerable length of time. one model used to gauge the likelihood of injury is the severity index ( ), defined as =/ . in the expression, is the duration of the accleration, but is not equal to the acceleration. rather, is a dimensionless constant that = the number of multiples of that the acceleration is equal to.in one set of studies of rear-end collisions, a person's velocity increases by 13.7 km/h with an acceleration of 36.0 m/s2 . let the + direction point in the direction the car is traveling. what is the severity index for the collision?
Answers: 1
Three students are having a conversation. it goes like this. allison says: "this problem says, can...
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