Because the time was the same for each segment you know the speed was the same for each segment

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?