An electrostatic paint sprayer contains a metal sphere at an electric potential of 25.0 kv with respect to an electrically grounded object. positively charged paint droplets are repelled away from the paint sprayer's positively charged sphere and towards the grounded object. what charge must a 0.193-mg drop of paint have so that it will arrive at the object with a speed of 17.5 m/s

Samir watches a 100-minute movie on his spaceship. maria's spaceshipe flies in the same direction as samir's spaceship but she observes his move to last 125 minutes and his spaceship to be 40 m long. how long does samir observe his own spaceship to be? according to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does marias voyage take according to samir?

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