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anastassius [24]
3 years ago
12

A car traveling with constant speed travel 150 km in 7200s.what is the speed of the car?

Physics
1 answer:
scoray [572]3 years ago
6 0
Time = 7200 s.              3600 s = 1hour.

7200s = 7200 / 3600 = 2 hours.

Speed = Distance / time  =  150 km / 2 hours =  75 km/h
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F/l = \frac{\mu _0i_1 i_2}{2\pi d} \\i_1 = 2.85 \\i_ 2 = 2.85  \\\mu _0 = 4\pi \times 10^{-7} \\d = 0.061 \\F/l = \frac{4\pi \times 10^{-7} \times 2.85 \times 2.85}{2 \pi \times 0.061} \\= 2.66 \times 10^{-5} \ N/m

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