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Talja [164]
3 years ago
9

Materials that resist the charges flowing through are

Physics
1 answer:
Yanka [14]3 years ago
5 0
Insulators. Insulators don’t conduct heat. Electron resistors help “introduce precisely controlled amounts of resistance into electrical circuits.” Electricity flows through conductors.
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A motorist drives north for 36.0 minutes at 96.0 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km
Over [174]

Answer:

a) d=187.6km

b)v=61.5km/h

Explanation:

First we convert our minutes to hours so we work always in the same units.

36min=36min(\frac{1h}{60min})=0.6h

15min=15min(\frac{1h}{60min})=0.25h

Where we used the fact that 1 hour are 60 min, thus the multiplying factor is equal to 1 (not altering the time, just changing the units).

a) On the first part the motorist travels a distance d_1=v_1t_1=(96km/h)(0.6h)=57.6km, and on the second part he travels d_2=130km.

The total displacement is d=d_1+d_2=57.6km+130km=187.6km

b) The average velocity is the relation between the total displacement and the time taken to cover it. Our total time is t=0.6h+0.25h+2.2h=3.05h, thus we have:

v=\frac{187.6km}{3.05h}=61.5km/h

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Differentiate between sound waves and seismic waves?
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