The average power is 10 watts. What's the question ?
Answer:
C
Explanation:
Velocity is just speed with direction
Answer:
Please find the answer in the explanation
Explanation:
Friction is a force that opposes motion. One or two of the advantages of friction are break and ability of an object to walk.
Writing yes it is useful because when your writing because friction helps you see what your writing
ii. Rubbing. Yes, it is useful.
friction make it possible for two object to rub each other
iii. Skiing. No. It is not useful because With presence of friction, skiing will not be possible.
iv. Rotating a wheel No. It is not useful because Friction will oppose the rotation of the wheel.
<u>Answers</u>
D) X: positive
Y: negative
<u>Explanation</u>
The are two types of charges, positive and negative charges.
The electric field charges originate from positive and end up to the negative.
The electric charges move from positive to negative. So from the diagram the above;
X ⇒ Positive
Y ⇒ Negative
