You travel an an average speed of 20 km/h in a straight line to get to your grandmothers house. it takes you 3 hours to get to her house. how far away is her house from where you started?

The necleus of an atom is made up of what subatomic particles?

Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples