Question 1 (0.5 points) Electric circuits provide a path for ___ to flow.
protons
matter
electrons
energy

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

Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?