Arunner runs 300 m at an average speed of 3.0 m/s. she then runs another 300m at an average
speed of 6.0 m/s.
what is her average speed for the total distance of 600m?
a 2.0 m/s
b 4.0 m/s
c 4.5 m/s
d 8.0 m/s

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

What is the speed of an object at a given moment?