If a battery-operated car has a resistance of 3 ohms and the current moving through it is 2 amps, what is the voltage of the battery?
a) 6v
b) 1.5 v
c) 1 v
d) 0.67 v

Distinguish between a transverse wave and a longitudinal wave.

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s. a. determine jay’s mass. b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?