its the first one hope it helps
tar is very thick and viscous making it difficult to pour when cold which is why it's heated to extremely high temperatures when blacktop is being poured
Answer:
the horizontal component of the force is 50 N
Explanation:
Given;
force applied by the man, F = 100 N
angle of inclination of the force, θ = 60⁰
mass of the dog, m = 20 kg
The horizontal component of the force is calculated as;

Therefore, the horizontal component of the force is 50 N
Answer: Number of nitrogen atoms = 2 Number of oxygen atoms = 6 Therefore, we can conclude that out of the given options, number of nitrogen atoms present in the formula are 2.
Explanation: