Acar goes from point a to point b, five miles away and then returns to point a. the car is going 15 mph. what is the velocity of the car? a.–30 mph b.0 mph c.+15 mph d.+45 mph

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

Does heating a metal wire increase or decrease its electrical resistance? why?

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction