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Question from image formation by a plane mirror

if a ball is located 4 meters in front of a mirror, what distance separates the object from the image? please Use your diagram to aid your answer.

Asked Sumena

Resistance In Circuit

Please solve this problem. And please keep in mind that i have just passed 10th standard guyz.

res

Asked Govind

Coulomb’s law

at each of the four corners of a sqare of side A, a charge +q is placed freely. what charge should be placed at the centre of the sqare so that whole  system be in equilibrium

 

Asked Shashank

http://www.meritnation.com/ask-answer/question/at-each-of-the-four-corners-of-a-square-of-side-a-a-charge/electric-charges-and-fields/9139189

Mechanics Questions from Mohammed

a. Determine the work done by the motor when the wheelchair starts at rest and speeds up to its normal speed.

b. Determine the maximum distance that the wheelchair can travel on a horizontal surface at its normal speed, using its stored energy. (Ignore the energy needed for it to speed up when it starts.)

c. Suppose that 0.023 percent of the power required for driving is expended against drag due to the flexing of the wheelchair’s soft rubber tires. Calculate the magnitude of the drag force.

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