All three windows are the same size.
A has 10 complete waves visible through the window. B has 3, and C has 4.
So A must have the smallest wavelengths.
Answer:
Francium has fewer valence electrons, but they are in a higher energy level
Explanation:
the average velocity of the car is 15 m/s example I have this on a test
The work done to pull the sled up to the hill is given by

where
F is the intensity of the force
d is the distance where the force is applied.
In our problem, the work done is

and the distance through which the force is applied is

, so we can calculate the average force by re-arranging the previous equation and by using these data:
Answer:
400
Explanation:
Formula used in solution:


The given information:


Solution

Answer:
