Homework Set 1 Name MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question 1) You drive 6.00 km at 50.0 km/h and then another 6.00 km at 90.0 km/h. Your average speed 1) over the 12.0 km drive will be A) less than 70.0 km/h. B) greater than 70.0 km/h. C) exactly 38.0 km/h. D) equal to 70.0 km/h. E) cannot be determined from the information given, must also know directions traveled 2) The slope of a tangent line at a given time value on a position versus time graph gives 2) A) instantaneous velocity. B) average acceleration C) displacement. D) instantaneous acceleration. E) average velocity. 3) A stone is thrown straight up. When it reaches its highest point, A) its velocity is not zero and its acceleration is zero. B) neither its velocity nor its acceleration is zero. C) both its velocity and its acceleration are zero. D) its velocity is zero and its acceleration is not zero. E) neither velocity nor acceleration can be determined without additional information