Mischka is an amateur astronomer. using her telescope, she looks out past the earth’s atmosphere and observes an object with a long, bright, cloud-like tail behind it. what is mischka observing? a) an asteroid b) a meteorite c) a comet d) a meteoroid

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.