What type of numbers in a measurement are always significant?

Awalk up the phase change graph worksheet

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?

A17,250 kg rocket is pushed with a thrust of 6,450,284 n. what is the acceleration of the rocket?