Category: Physics

What type of energy is stored in an unlit match? potential energy Which best explains Taros error? Which best explains Taro’s error? The total energy of the system remains the same. The human body stores chemical energy from digested food. Some of the chemical energy is converted into mechanical energy when the body moves. Which […]

Can you have an extra chromosome and be normal? Most commonly, some cells end up with one extra or missing chromosome (for a total of 45 or 47 chromosomes per cell), while other cells have the usual 46 chromosomes. Mosaic Turner syndrome is one example of chromosomal mosaicism. How do you know if you have […]

Should I put a sofa in front of patio doors? As a general rule, you don’t want to place a sofa in front of a door because you don’t want to block it, and you don’t want people to walk into the back of the sofa. However, if there is enough space and the back […]

Why is ecological footprint bad? The ecological footprint is a measure of the resources necessary to produce the goods that an individual or population consumes. Finally, the lack of correlation between land degradation and the ecological footprint obscures the effects of a larger sustainability problem. What causes a high ecological footprint? Resource consumption such as […]

How many significant figures does 0.00120 have? 3 significant figures How many significant figures does 0.003 have? # of sig. fig. # of decimal places c) 0.003 1 3 d) 0.00170 3 5 e) 3,000 assume 1 0 f) 3,000. 4 0 How many significant figures does 0.020 have? two significant figures How many significant […]

Is Lemon juice is a good conductor of electricity? When lemon juice is added to water, the acid dissociates into anions and cations which are charged. Hence they can conduct electricity as these charged particles are able to flow inside the acid. Hence when the salt or lemon juice is mixed in distilled water it […]

Is Earth a perfect sphere? Even though our planet is a sphere, it is not a perfect sphere. Because of the force caused when Earth rotates, the North and South Poles are slightly flat. Earth’s rotation, wobbly motion and other forces are making the planet change shape very slowly, but it is still round. Why […]

What are the 8 types of joints? Planar, hinge, pivot, condyloid, saddle, and ball-and-socket are all types of synovial joints. Is the wrist a gliding joint? Gliding joints occur between the surfaces of two flat bones that are held together by ligaments. Some of the bones in your wrists and ankles move by gliding against […]

Is Life of Brian funny? Certainly “Monty Python’s Life of Brian” is funny, in that peculiar British way where jokes are told sideways, with the obvious point and then the delayed zinger. The tragedy of Brian (Graham Chapman) is that he has everything it takes be a success, except divinity. How does Life of Brian […]

Which condition causes storms to occur freezing of water droplets? Cold Air Damming and Extended Lows Freezing rain develops when warm oceanic air rises up and over the cold air, producing liquid precipitation that falls through the cold layer. The falling droplets become supercooled and freeze on impact with the cold surface. Where is the […]