A0.002 kg arrow with an acceleration of 7.2 m/s2 is flying towards its target. how much force was exerted on the arrow?
a. 0.0036 n
b. 0.0052 n
c. 0.0102 n
d. 0.0144 n

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?

You are given a vector a = 125i and an unknown vector b that is perpendicular to a. the cross-product of these two vectors is a × b = 98k. what is the y-component of vector b?

Sound is a disturbance that travels through a medium as a