A racecar races on a circular race track. Calculate the average racing speed given that distance around the track is 2500 m and the racecar does it in 40 seconds.

What should the power status of a circuit be when measuring resistance with an ohmmeter?

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

State the following: boyle's law and charle's law