A rod 14.0 long is uniformly charged and has total charge of 22.0 µC. Determine the magnitude direction of the electric field along the axis of the rod at a point 36.0 cm from its center.

Will you chech and finish these for me, because i am stumped with them.

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.

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?