Final answer:
A) Average speed = 240 miles per minute. B) No information given to calculate acceleration. C) No information given to calculate displacement. D) Initial velocity cannot be determined.
Step-by-step explanation:
A) Average speed is calculated by dividing the total distance traveled by the total time taken. Given that Brianna travels 3600 miles in 15 minutes. Average speed = Total distance / Total time = 3600 miles / 15 minutes = 240 miles per minute.
B) Acceleration is the rate of change of velocity. Since only the distance and time are given, there is no information to calculate acceleration.
C) Displacement is the change in position or the difference between the initial and final position. Since only the distance is given, there is no information to calculate displacement.
D) Initial velocity is the velocity at the start of the motion. Without any given information about the initial velocity, it cannot be determined.