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Alright I got 6*10^-12 is that right ?

How? I don’t understand

What’s the mass of the charged body?

Homework Statement A charged polystyrene ball of mass 0.14g is suspended by a nylon thread from a fine glass spring. In the absence of any electric field the spring extends by 30mm. The polystyrene ball is then placed in an electric field that acts vertically upwards, of strength 200kV m^-1...

if it does how do I find out how much that weighs in kg's?

does it lose 6.642*10^-31 electrons?

I’m really not sure where to start with calculations, and it’s due tomorrow. If you’ve worked it out how’d you do it?

I’m not sure. Are there formulas for it?

Homework Statement The mass of an electron is 9*10^-31kg. Find the charge in mass of a charged body if it loses 1 Coulomb of negative charge. Use your answer to explain why electricity was originally thought to be weight less. 1 coulomb = 6.642*10^18 elementary charges. Homework Equations...