Amy walks 32 m right and then 12 m left. she turns and walks another 28 m right and then turns and walks 7 m left. what is amy's displacement?

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?

If y gets smaller as x gets bigger and y have an relationship?

1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?