Answer:
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Explanation:
A base quantity (or basic quantity) is chosen and arbitrarily defined, rather than being derived from a combination of other physical quantities. The 7 base quantities are: SI units are used as standardised units in all measurements in the world. SI is the short form for “International System of Units”
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Unless there is service it wifi, no. To access most features on a cellphone you need wifi or service. These features can include communicating with others or watching a video. Cellphones are practically useless without internet connection.
It's 15 N because net force is total force so you take net force - known force = unknown force
When you touch a doorknob, all the charge wants to leave you and go to the doorknob. You see a spark and get a shock as the electrons leave you. Lightning is the result of static electricity.
Answer:
Earth: 
, Mercury: 
, Pluto: 
Explanation:
The light travels at a constant speed of approximately 
meters per second. The time (
), in seconds, required for light to travel a given distance is:
(1)
Where:
- Travelled distance, in meters.
- Speed of light, in meters per second.
Now, we calculate the time for light to travel to each planet:
Earth (
, 
)
Mercury (, 
)
Pluto (, 
)
