A student used a PhET simulation to investigate factors that affect the strength of electromagnets. Which of the following is the best explanation of the position of the of the compass needle in the investigation? a. The needle is aligned with the coil.
b. The needle is aligned with the electrical field from the battery.
c. The needle is aligned with the magnetic field from the coil.
d. None of the above

Shari uses the data in the table to predict how her weight on venus would compare with her weight on earth. which is the best prediction shari could make? her weight is greater on venus because venus has less mass. her weight is lower on venus because the acceleration due to gravity is lower. her weight is lower on earth because it is farther from the sun. her weight is greater on venus because venus has a smaller diameter.