Answer:
15000N/m²
Explanation:
Given parameters:
Force exerted by the girl = 450N
Area = 300cm²
Unknown:
Pressure exerted by her feet =?
Solution:
Pressure is the force per unit area on a body;
Pressure =
We need to convert the given area to m²;
10000cm² = 1m²
300cm² =
= 0.03m²
Pressure =
= 15000N/m²
There are 0.55 moles in glucose
There’s only one measurement the question doesn’t make sense
To fine volume, you have to divide the mass by the density of the substance. in this, you’ll do 19.6/7.83=2.50