Velocity = displacement (distance)/time
v=80m/4s
v=20m/s
velocity = 20 meters per second
The answer to your quesiton is,
A) Venus has phases.
-Mabel <3
Answer:
Explanation:
You didn't last any of the variables. You have to list the variables to tell which are which.
Answer:
Shadows are made by blocking light. Light rays travel from a source in straight lines. If an opaque (solid) object gets in the way, it stops light rays from traveling through it. The size and shape of a shadow depend on the position and size of the light source compared to the object.
Explanation:
