If the flow of charged particles in some region of space includes electrons moving to the right and positive ions moving to the left, which direction is the current?

a. to the right
b. to the left only if the positive ions are doubly ionized or more
c. the current is zero
d. to the left cannot be determined without more information

Free runners jump long distances and land on the ground or a wall. how do they apply newton’s second law to lessen the force of impact?

A3.9 g aluminum foil ball with a charge of +4.1×10−9 c is suspended on a string in a uniform horizontal e⃗ field. the string deviates to the right and makes an angle of 30∘ with the vertical. part a part complete what information about the e⃗ field can you determine for this situation? what information about the field can you determine for this situation? only the magnitude of e⃗ only the direction of e⃗ both the magnitude and the direction of e⃗ none of the above previous answers correct part b determine the magnitude of the electric field. express your answer with the appropriate units. e e = nothing nothing request answer part c determine the direction of the electric field. determine the direction of the electric field. to the right to the left away from you toward you

Decreased sensitivity to an unchanging stimulus is known as