Category: Physics

What is price floor example? An example of a price floor is minimum wage laws, where the government sets out the minimum hourly rate that can be paid for labour. When the minimum wage is set above the equilibrium market price for unskilled or low-skilled labour, employers hire fewer workers. What is welfare cost of […]

What is the minimum thickness of the soap bubble? 141nm . What is the minimum thickness of a soap bubble needed for? PleaWhat is the minimum thickness of a soap bubble needed for constructive interference in reflected light if the light incident on the film has wavelengths 900 nm ? Assume the refractive index for […]

Which is more costly connection of bulbs in series or parallel? The series circuits lights don’t last very long. The series circuit is dimmer as it gets longer. The parallel lights use more energy. The parallel lights are more expensive to make. Why is current higher in parallel than in series? The parallel circuit has […]

What does it mean if a star is circumpolar? A circumpolar star is a star, as viewed from a given latitude on Earth, that never sets below the horizon due to its apparent proximity to one of the celestial poles. Why is the North Star important? What is the North Star? The reason Polaris is […]

What are three methods meteorologists use to collect weather data? How do weather forecasters predict the weather? Meteorologists use maps, charts, and computers to analyze weather data and prepare forecasts. What is a visual representation of moving weather conditions? Weather symbol – a visual representation of a weather condition. Wind conditions – how fast and […]

What are the disadvantages of eating chips? Too many chips can raise your blood pressure. You could develop cancer. It can increase your chances of heart disease. It can increase your risk of stroke. There’s also risk of infertility. It can cause intense weight gain. They’ve been linked to depression. What are the benefits of […]

How many times can you sharpen skis? In average you can normally sharpen the edges on a pair of skis 5 to 10 times before the steel edges are worn out. After that you need to replace your skis. Most people who have never skied or have always rented the ski gear in the rental […]

How can you tell if Chrome is stainless steel? How can I tell the difference? This is your no fail go to test. If a magnet will stick to it, it is not stainless steel. Chrome has a bright shine to it, stainless steel is often a satin finish, However you can not always go […]

What airfoil generates the most lift? Airfoil Three generated the most lift due to the oval arc shape. Lift is caused by the faster movement of air on the top side of an airfoil. What is the more common name of the empennage? The empennage, commonly called the tail assembly (see figure 1-7), is the […]

Can you drink artesian water? Florida and Georgia are great examples of how artesian well water might not be safe to drink. Artesian water still runs the same risk of exposure to many contaminants found in all spring water, well water, tap water, and bottled water. How do I find an artesian well on my […]