You are skateboarding and push back with one leg, and, as a result, the skateboard moves forward. which law of motion is being described in this scenario? (2 points)

Which of the following is not am example of a polymer? protein nylon kevlar concreta

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?

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?