In a milkans apparatus, an oil drop of weight 2.0×10^-15kg accquires two surplus electrons. when a Potential difference of 620 volt is applied between the pair of horizontal metal plates the drop is in equilibrium. find the distance between plates.

Explain vector addition, triangle method and parallelogram method

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

As part of your daily workout, you lie on your back and push with your feet against a platform attached to two stiff springs arranged side by side so that they are parallel to each other. when you push the platform, you compress the springs. you do an amount of work of 79.0 j when you compress the springs a distance of 0.230 m from their uncompressed length. (a) what magnitude of force must you apply to hold the platform in this position? (b)how much additional work must you do to move the platform a distance 0.230 m farther? (c) what maximum force must you apply to move the platform a distance 0.230 m farther?