Category: Physics

How do you use the star chart app? All you have to do is point your Android device to an area of the sky and watch the app calibrate. For example, is that really the Big Dipper that you’re looking at? Point the phone up to that area of the sky and see if the […]

Can you refuse to have your bags searched? “Bag checks are voluntary. Retailers can only conduct a bag check if you agree. However, if you refuse to allow a check, you may be asked to leave the shop and not return until you agree to a bag check.”` Do you have to stop for Walmart […]

What are 3 uses for lanthanum? Lanthanum and other rare-earth compounds are used in carbon arc lighting, specifically in the film and television industry for studio lighting and projection. Lanthanum oxide (La2O3), also called lanthana, improves the alkali resistance of glass and is used in making camera lenses and in other special glasses. Is scandium […]

What is KF formula? Potassium fluoride is the chemical compound with the formula KF. After hydrogen fluoride, KF is the primary source of the fluoride ion for applications in manufacturing and in chemistry. What factors affect freezing point depression? The freezing point depression constant changes depending on the solvent, and the van ‘t Hoff factor […]

How do you remember the D block elements? D-block elements it includes are Lutetium (Lu), Hafnium (Hf), Tantalum (Ta), Tungsten (W), Rhenium (Re), Osmium (Os), Iridium (Ir), Platinum (Pt), Gold (Au) and Mercury (Hg). Mnemonic for Period 6: L(u)a HafTa Warna Reh Us(Os) Irritating Popat ke saath Aur Hoj(g)a pagal. How can I remember the […]

How many senators were there in 1861? 37th United States Congress United States Capitol (1861) March 4, 1861 – March 4, 1863 Members 50 senators 183 representatives 7 non-voting delegates Senate Majority Republican How many senators were there in 1877? 44th United States Congress United States Capitol (1877) March 4, 1875 – March 4, 1877 […]

Can you cut and splice O2 sensor wires? Many O2 sensors are universal and meant to be spliced. Cut and paste. No worries. As long as you have a good connection it will be fine. Can you drive your car with a bad O2 sensor? In summary, yes, you can drive with a faulty O2 […]

Which subatomic particle has a positive charge and negative charge? The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge. How does […]

What are the disadvantages of living on a floodplain? Disadvantages No buildings or roads will be built in a floodplain area, so it restricts development. High risk of flooding. Why is it bad to build on a floodplain? Building on the floodplains makes the habitats for many creatures rare and unnatural as their natural habitat […]

Which has more thermal energy? If two objects made of the same substance have different masses or temperatures, you can determine which has more thermal energy. If the objects have different masses but are otherwise the same, the one with more mass has more thermal energy. What is thermal power in short? Thermal power describes […]