Answer:
it would by them changing their hypothisis and retrying the test again
Explanation:
Work done = force x distance
work done = 15 x 3
work done = 45J
Answer:
Visible light when all put together is white. When objects appear to be, lets say, red, it would be the only color not absorbed by that object. same goes with all other colors. So black objects absorb all colors (not 100%) and that is why black clothing gets hotter, it simply absorbs all incoming light, as apposed to white that will reflect the colors back, making all of them together appear white. Hope this helps, not the best at explaining things.
The answer is a B Light wave can travel in a vacuum and travel at a contest speed even if the light source is moving
1. F
This phenomenon is in accordance with Newton's Third Law of Motion, which states that when a body exerts a force on a second body, the second body exerts a force of equal magnitude in the opposite direction on the first body. The masses of the bodies are irrelevant in this case.