Category: Physics

What is the cheapest way to heat a pool? Here are the seven cheapest ways to heat your pool this off-season. Use a Solar Cover. Invest in Solar Sun Rings. Try Out a Liquid Solar Pool Cover. Build a Windproof Pool Enclosure. Use the Black Hose Trick. Snag a Pool Heat Pump. Combine a Solar […]

Which of the following is an example of the Doppler effect? An example of the Doppler effect is when a police car moves past a person who is standing still. As the police car moves towards them, the pitch of the police car’s siren goes up because the sound waves get closer together in front […]

What is the ratio of 5 to 7? 20 : 28 How do you explain ratios and proportions? Ratio and Proportion are explained majorly based on fractions. When a fraction is represented in the form of a:b, then it is a ratio whereas a proportion states that two ratios are equal….If a:b is a ratio, […]

Is 2Mg O2 2MgO synthesis reaction? Products- Ending materials in a chemical reaction. Synthesis- a reaction that starts with two or more substances to form a single product. 2Mg + O2 –> 2MgO. Decomposition- a reaction that starts with a single reaction and forms two or more products. What is the balanced equation for Pb […]

How do you find the radius of BCC? The relation between edge length (a) and radius of atom (r) for BCC lattice is √(3a) = 4r . How do I know if BCC or FCC? The BCC unit cell consists of a net total of two atoms, the one in the center and eight eighths […]

How do you know if someone is watching you through the mirror? Place the tip of your fingernail against the mirror. Look closely to where you’re touching the mirror. If there is a gap between your fingertip and the and the image of the nail reflecting back to you, it is a genuine mirror. If […]

What kind of charge a glass rod acquires when it is rubbed with a piece of fur? By convention, we call one type of charge “positive”, and the other type “negative.” For example, when glass is rubbed with silk, the glass becomes positively charged and the silk negatively charged. What do you do with rose […]

Is Sickle Cell Anemia a deletion? Sickle-cell anemia results from an A leads to T transversion in the second nucleotide of codon 6 of the beta-globin gene. We now report an uncommon beta-thalassemia gene that contains a deletion of this nucleotide. How do you know if a mutation is silent? The two amino acids are […]

What house is Venus currently in? Venus is currently in your chart’s 6th house, which rules your daily routine, work, and wellness. What is the hottest country in the world? Djibouti Which country has no rain? World: Longest Recorded Dry Period The world’s lowest average yearly precipitation in 0.03″ (0.08 cm) during a 59-year period […]

What is the x component of the vector? The scalar x-component of a vector can be expressed as the product of its magnitude with the cosine of its direction angle, and the scalar y-component can be expressed as the product of its magnitude with the sine of its direction angle. In a plane, there are […]