The answer is; C
A calorie is a unit of energy used to describe the energy required to raise the temperature of one gram of water by one degree at an ambient pressure of 1 atmosphere. This SI unit has gained popularity in its use in nutrition where the energy in a particular type of food (carbohydrates, proteins, and fats) is measured in calories.
Answer:
Explanation:
Given
Required
Determine the density
First, we need to convert mass to kg
Next, we need to convert volume to m^3
Density is then calculated as follows:
Answer:
as it 8s based upon to fundamental units distance and Time
Answer:
Positive.
Explanation:
As a consequence of the photoelectric effect, electrons that will get hit by sufficiently energetic photons will abandon the metal surfaces exposed to bright sunlight. This decreases the negative charge of the surface, thus causing it to develop a positive net charge.