Below are free-body diagrams for three electric charges that lie in the same plane. Their relative positions are unknown. There are two forces shown on each charge. These two forces represent the force exerted on the charge by each of the other two charges.

If you mix chlorine lithium and nickel together which two elements would be the most reactive

Which statement is true? a. kepler's laws apply only to the motion of earth. b. kepler's laws can be used to predict eclipses. c. kepler's laws are true for a central force that is directly proportional to distance. d. kepler's laws can be deduced from newton's laws of motion and gravity.

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 ?