Category: Physics

What is a good sentence for predict? Examples of predict in a Sentence All the local forecasters are predicting rain for this afternoon. She claims that she can predict future events. It’s hard to predict how the election will turn out. Many people predicted that the store would fail, but it has done very well. […]

What is the state of refrigerant in the liquid line? When the refrigerant exists in a liquid and vapor state, it is in a condition called saturated. Superheat is measured at the places where the only vapor is present (the suction line) and is the difference between the saturation temperature and the measured temperature. Is […]

Can anything else besides matter go into out of or through the closed cup system? A closed system is one in which no matter can enter or exit. The hot liquid cools down even when we prevent most matter from leaving the cup system by using a lid. The water droplets that form on the […]

What is the relationship between electric charge and electric force? Electric charge is a physical property of particles or objects that causes them to attract or repel each other without touching. Particles that have opposite charges attract each other. Particles that have like charges repel each other. The force of attraction or repulsion is called […]

What is the displacement of the object during acceleration? Displacement equals the original velocity multiplied by time plus one half the acceleration multiplied by the square of time. Here is a sample problem and its solution showing the use of this equation: An object is moving with a velocity of 5.0 m/s. What is a […]

What is the time symbol? Symbols for physical quantities and their international units symbol quantity unit V volume cubic meter t time, duration second T period, periodic time second τ time constant second What is this symbol ψ? Psi (uppercase/lowercase Ψ ψ) is the 23rd letter of the Greek alphabet. It is used to represent […]

What object has the greatest force of gravity? On the planet Jupiter, where gravity is stronger, you would weigh much more than you do here. On the sun, gravity is so strong that you would weigh about 27 times as much as on earth! What is the most cheapest thing in the universe? The answer […]

What gives a rainbow its shape? In raindrops, sunlight bounces back, or reflects, most strongly at a certain angle – 42 degrees. As long as the angle is right, then the light will be reflected and you see a rainbow. So the reflection gives you the shape of the rainbow, while the refraction gives you […]

Does plasma have an indefinite shape? Plasma is a state of matter that is often thought of as a subset of gases, but the two states behave very differently. Like gases, plasmas have no fixed shape or volume, and are less dense than solids or liquids. Which state of matter has a high density and […]

What if you find oil on your land? If you find oil in your back yard, is it yours? If you own land, you have property rights. To own oil or any other mineral coming from your land, you must have mineral rights in addition to your property rights. In other countries, the government has […]