Which of the following is an example of noncontact force? A. Pitcher throws the ball
B. the bat hits the ball
C. the ball falls from the sky
D. the runner gets tagged out
​

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

Suppose you plot the distance traveled by an object at various times and you discover that the graph is not a straight line. what does this indicate about the object's acceleration?