Answer:
heat came from the supernova that led to the formation of solar system
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

=> 
=> 
Answer:
C: equal to mg
Explanation:
in free-fall, gravity is always the net force on an object
C- 10ft. Hope this helped. Have a great day! :D
Answer:

Explanation:
From the question we are told that
The electric filed is
Generally according to Gauss law
=> 
Given that the electric field is pointing downward , the equation become

Here
is the excess charge on the surface of the earth
is the surface area of the of the earth which is mathematically represented as

Where r is the radius of the earth which has a value 
substituting values


So

Here
s the permitivity of free space with value

substituting values

