Arace driver has made a pit stop to refuel. after refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is ; after he enters the main speedway. at the same instant, another car on the speedway and traveling at a constant velocity of overtakes and passes the entering car. the entering car maintains its acceleration. how much time is required for the entering car to catch the other car?

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Discuss the difference between thermal energy and heat. (terrance) terrance, egolf, r., congdon, donald. physical science student text, 5th edition. bju press, 2014. vitalbook file.