Hi there!
First of all, you have to pay attention to the question, and they are asking for something physical, and physical means to be seen on the outside.
The answer is A because you can clearly see that water is a liquid. Being a liquid is a physical property.
It wouldn't be B because I believe it would be a chemical property to react with many substances.
Hope this helps! :D
The only three countries who do not use the metric system as their primary system of measurement are the United States, Liberia and Burma (Myanmar).
Other countries have adopted the system but do not use it in all cases, for example road distances and speeds are still measured in miles and miles per hour in the United Kingdom.
Answer:
mass= 500 grams
volume= 2.75 cm^3
density= 181.818182 g/cm^3
Explanation:
density is mass divided by volume so your answer is 181.818..
Answer:
The magnitude of the applied force is 94.74 N
Explanation:
Mass of the block, m = 11 kg
Angle of inclination of the plane, 
Friction coefficient, 
Now,
Normal force that acts on the block is given by:
(1)
Now, to maintain the equilibrium parallel to ramp the forces must be balanced.
Thus
(2)
From eqn (1) and (2)
F = 94.74 N
