Answer:
D.
Explanation: multiply the total driving time by the total distance
Answer:
b
Explanation:
When an object is in circular motion, the direction of velocity is in the direction of tangent to the circle and acceleration is always directed towards the radial direction. This means that velocity is always perpendicular to acceleration of the object.
Hence option (b)-The velocity and acceleration vectors are perpendicular is correct.
Answer:
D
Explanation:
descriptive, because scientists are writing down the observations but not making comparisons.