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Natali [406]
3 years ago
6

An object contains 4.9*10^7 excess electrons. What is its net charge?

Physics
1 answer:
alexandr1967 [171]3 years ago
4 0

The charge on the electron is  1.602 x 10^-19 Coulomb.

4.9 x 10^7 of them add up to

           (4.9 x 10^7) x (1.602 x10^-19)  =<em>  7.85 x 10^-12 Coulomb</em> .


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a) 75.5 degree relative to the North in north-west direction

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a)If the pilot wants to fly due west while there's wind of 80km/h due south. The north-component of the airplane velocity relative to the air must be equal to the wind speed to the south, 80km/h in order to counter balance it

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