Two point charges, one q and the other – q, form a dipole separated by a distance d. A third charge Q is placed midway between these two charges. If the distance between q and – q is then doubled with the Q staying midway between the other two, what happens to the force on Q?

Can you think of a way a rock unit with an older fossil could be above a rock until with a younger fossil? describe the scenario.

World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!