Category: Physics

What causes a red sunrise? A red sunrise can mean that a high pressure system (good weather) has already passed, thus indicating that a storm system (low pressure) may be moving to the east. A morning sky that is a deep, fiery red can indicate that there is high water content in the atmosphere. So, […]

How do you convert numbers in scientific notation to standard form? To change a number written in scientific notation with a positive power of 10 to standard form, move the decimal point to the right. To change a number written in scientific notation with a negative power of 10 to standard form, move the decimal […]

What is the basic principle of operant conditioning? Behavior modification is a set of therapies / techniques based on operant conditioning (Skinner, 1938, 1953). The main principle comprises changing environmental events that are related to a person’s behavior. For example, the reinforcement of desired behaviors and ignoring or punishing undesired ones. What are some examples […]

How long does it take to travel 200 km by car? A car travels 200 km in 2 hours and travels 240 km in next 3 hours. How fast is 500 km in miles per hour? Convert 500 Kilometers per Hour to Miles per Hour km/h mph 500.00 310.69 500.05 310.72 500.10 310.75 500.15 310.78 […]

What exercise is good for shortness of breath? Pursed lip breathing Another breathing exercise that can help relieve shortness of breath is pursed lip breathing. Pursed lip breathing helps reduce breathlessness by slowing the pace of a person’s breathing. This is particularly useful if shortness of breath is due to anxiety. How can I increase […]

What is the safest part of the house in a tornado? If you’re in a house, the safest place to be is on the lowest floor, away from windows and with as many walls as possible between you and the outside, according to KXAS-TV (NBC5) chief meteorologist Rick Mitchell. If the house doesn’t have a […]

What is it called when a straw bends in water? This bending of light, called refraction, causes the straw to look broken​1​. The portion of the straw that is submerged in water also appears to be wider than the portion of the straw above the water. Why does a spoon look broken in the water? […]

Why stone is called matter? Since the stone is made of atoms, it is matter. Anything solid liquid or gas is matter. Yes, it has mass and occupies space. Yes, it has mass and occupies space. How do you remove smoke from air? 3 Ways to Remove Cigarette Smoke From Indoor Air Consider Adding House […]

What does IDK mean from a girl? I don’t know What LDK means? What to say if a girl says I don’t know you? You may say, I am so and so and I saw you in _______place and wanted to be friends with you. Please have a coffee with me and at the end […]

How many steps are there to create a good free body diagram? You can draw a free-body diagram of an object following these 3 steps: Sketch what is happening. Determine the forces that act on the object. Draw the object in isolation with the forces that act on it. How do you write FBD? Steps […]