You travel 200 km in 2 hours. Your speed is 100 km/h. a. constant
b. average
c. instantaneous
d. initial

Can you please fill in the blank?? Im not so great at science.. ;)

Which of the following quantities are units of momentum? (there could be more than one correct choice.) a)n m b) kg s/m c) kg m/'s d)n-s 12 points] e) kg m2/s2

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.