Answer:
Explanation:
Given
rope makes an angle of 
Mass of sled and snow is m
Normal Force 
applied Force is F
as Force is pulling in nature therefore normal reaction is given by

Also 


-------1
---------2
Squaring 1 & 2 and then adding


Substitute value of F in 1


Its speed reading would increase to 10 m/s every second
Answer:
Respect the client’s decision
Explanation:
just took the test
The atomic number is the number of protons in the nucleus of an atom. The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon
So I believe it’s 6 hope this helps if not reply back