Answer:
I don't know the exact answer but I think this is it.
The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable.
Answer:
We conclude that the force on the bag is 500 N.
Explanation:
Given
- Acceleration a = 0.5 m/s²
To determine
Force F = ?
We know that when a force is applied to a body, it produces acceleration.
<u>Important Tip: </u>
- We can determine the force on the bag using the formula F = ma
Using the formula

where
is the force
is the mass
is the acceleration
now substitute m = 1000, and a = 0.5 m/s² in the formula


N
Therefore, we conclude that the force on the bag is 500 N.
A single photon carries an energy equal to

where h is the Planck's constant and f is the frequency of the photon.
This means that the higher the frequency of the light, the higher the energy. Among the 5 different options mentioned by the problem, the light with highest frequency is ultraviolet, which has frequencies in the range [3-30] PHz, while visible light (red, blue, green) and infrared have lower frequency, so ultraviolet light has the highest energy per photon.
Answer:
Because heat is a path function or the energy in transit.
Explanation:
- It is not correct to say that a body contains a certain amount of heat because the heat is a path function and not a property of the system. It is the energy in transit which can be encountered only when it crosses the system boundary.
- Heat is the energy in transit of a matter which flows by the virtue of temperature difference. The heat energy in a body is stored in the form of kinetic energy of the molecules which gets converted into heat that we know as the responsible factor for the rise in temperature usually.