The starter motor of a car engine draws a current of 110 A from the battery. The copper wire to the motor is 4.90 mm in diameter and 1.2 m long. The starter motor runs for 0.800 s until the car engine starts. A)How much charge passes through the starter motor? (C)
B)How far does an electron travel along the wire while the starter motor is on?(mm)
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The material that keeps its new shape after it is stretched is called?
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70 give a real life example showing how sensory neurons work with the motor neurons
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The drag force, fd, imposed by the surrounding air on a vehicle moving with velocity v is given by fd = cdaρv 2/2 where cd is a constant called the drag coefficient, a is the projected frontal area of the vehicle, and ρ is the air density. an automobile is moving at v = 80 kilometers per hour with cd = 0.28, a = 2.3 m2, and ρ = 1.2 kg/m3.
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An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
The starter motor of a car engine draws a current of 110 A from the battery. The copper wire to the...
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