The force between two charges is 2.2 x 10-4 N. One of the charges is changed and the force becomes 4.4 X 104 N. What change was made to the charge?

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Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?

Happiness is to senipah as 517768399 is to what?

Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration