If the angle is either 0 or 180, that means that there is either negative or positive work, so A and D are not correct.
If the angle is 45, then there is still some work involved.
The only option where there is no work done by a force is B. when the angle is between the force and displacement is 90.
Your answer to this question is 1.20 times 1024 atoms
It’s all based on you but yours could be anything hard you went through and how you overcame it. Also say how it made you the person you are today
Alpha particles are relatively heave and can be stopped by a sheet of paper.
Answer:
Explanation:
When comparing the drops of oil and water, one thing I noticed was the shape. The water drop was more defined, whereas the drop of oil began to spread and was much flatter. This may be due to the waxy material, and how both oil and water react to the wax.