Category: Physics

Should I kill cicadas? While it can be tempting to use pesticides on cicadas, there’s really no need. “Treating yards to kill cicadas will result in an unnecessary application of pesticides to the environment and treating these insects directly may also sicken animals who then try to eat them,” Troyano says. Are cicadas coming in […]

What is the most important thing in a golf swing? Use the big muscles of your legs and trunk to move the little muscles of your arms and hands. So watch the players at impact – they are all the same – and that is the most important part of any golf swing. Are Nitro […]

What do the colors on weather radar mean? Typically, the heavier the rain, the warmer the color. So, green usually means light rain, yellow means moderate rain, and red means heavy rain or hail. The green colors indicate winds moving towards the radar, and the red colors indicate winds moving away from the radar. What […]

What is the largest type of galaxy in our universe? giant ellipticals How do I backup my Mac onto a hard drive? Select your storage device as the backup disk Open Time Machine preferences from the Time Machine menu in the menu bar. Or choose Apple menu  > System Preferences, then click Time Machine. […]

What mood do vertical lines create? Vertical lines simulate height and can create a mood of grandeur or spirituality. Do lines express emotions? Lines give important clues about the emotion the painter is trying to convey. The language of lines is easy to understand; we use the language every day – whether we realize it […]

What are the 7 properties of exponents? Exponent rules Product of powers rule. When multiplying two bases of the same value, keep the bases the same and then add the exponents together to get the solution. Quotient of powers rule. Power of a power rule. Power of a product rule. Power of a quotient rule. […]

What is the density of iron? 7.874 g/cm³ (near room temperature)near room temperature What is the density of 100g of iron? Conversion Chart / Density Converter, Densities Of Various Materials ** Density of iron: 1….Densities of various materials. Density of iron to Density of air at sea level 6,558 Density of iron to Density of water […]

Is summer hotter in the Southern Hemisphere? One would think that southern hemisphere summers might be a little warmer. However, the southern hemisphere is predominantly water (the land/water ratio is 4/11). Water has a higher heat capacity than land, meaning that it requires more heat energy to increase its temperature than land needs. Is summer […]

Is velocity constant in free fall? Freefall is a special case of motion with constant acceleration, because acceleration due to gravity is always constant and downward. This is true even when an object is thrown upward or has zero velocity. Acceleration from gravity is always constant and downward, but the direction and magnitude of velocity […]

Which direction are new nucleotides added? DNA is always synthesized in the 5′-to-3′ direction, meaning that nucleotides are added only to the 3′ end of the growing strand. As shown in Figure 2, the 5′-phosphate group of the new nucleotide binds to the 3′-OH group of the last nucleotide of the growing strand. What is […]