Physics, 06.11.2020 21:10 steliosceltics2541
While investigating the relationship between voltage, current, and resistance, students connected different batteries to different circuits
and recorded measurements of battery voltage and current flowing through the battery. They then produced the model shown below.
Circuit Current vs. Battery Voltage
13
5
75
Battery Voltage
Based on the data provided in the graphical model, predict the current that would flow through a circuit, similar to the ones studied, that is
powered by a battery with a voltage of 15 V. Support your prediction with evidence and reasoning.
Answers: 2
Physics, 21.06.2019 18:10, zuleromanos
An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.
Answers: 2
Physics, 22.06.2019 04:00, binodkharal2048
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
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