Answer:
Explanation:
Given:
Mass of Piano: 99kg
Required:
Calculate its weight
The weight of an object is calculate as thus;
and 
The formula becomes
<em>Approximated</em>
<em />
<em>Hence, the weight of the piano is 970N</em>
Don't be fooled ! The answer is a pair of scissor. I got it wrong because I put screw driver.
When the current is time-dependent, the circuit has a
capacitor. A capacitor could be used to store energy. As you use it up, the
energy depletes. This is why it is time-dependent. The answer is 12 seconds. I
hope I answered your question. Have a good day and thanks.
Answer:
Wavelength!
Explanation:
At least I think? Or wavelength might be crest to crest! Sorry if I'm incorrect. Let me know how I did!
Answer:
when matter is heated or cooled it melts or freezes for at least the atoms do
Explanation:
for example take water when you heat it up the water molecules melt producing vapor water vapor and when you freeze it or cool it down it turns into liquid or turned into a solid by turning into ice. the three main properties of matter are gas liquid and solid and if we put water into these three different categories it turns into water vapor as gas liquid water as liquid and Ice as a solid
hope this helps
