Answer:
About 5 % of the universe is visible.
Estimates are that 68 % of the universe consists of "dark energy" and 27% of the universe consists of "dark matter". Currently 95 % of the universe is not currently visible to the scientists involved (cannot be explained by means that we know).
Answer:
The value is 
Explanation:
From the question we are told that
The voltage is 
The current is 
Generally the resistance value is mathematically represented as
=> 
=>
There’s frictional force acting on the sphere, which causes it to gradually slow down, and eventually come to a stop.
Answer:
Potential energy =mass* acceleration due to gravity * height
mass*acceleration due to gravity =weight
hence potential energy of the puppy= weight * height
=18*2
=36 joule
Both magnitude and DIRECTION
For example,
• 12m East
• -2 miles
•9 meter north
• 8 miles up
