Ablank is the factor that is deliberately change in an experiment

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant

Which of the following is not a transverse wave? a) soundb) lightc) radiod) all of thesee) none of these

Does the distance travelled by an oscillating mass between times t=0 and t2 equal the displacement of the particle over the same time period if t2> t/2? hint: consider a sine wave starting at t1=0, then consider a closing wave starting at t1=0, for your explanation.