Category: Physics

Why is the left side of the heart thicker? The left side of your heart The left ventricle of your heart is larger and thicker than the right ventricle. This is because it has to pump the blood further around the body, and against higher pressure, compared with the right ventricle. What happens if left […]

What is zero error of screw gauge and how we find it? Zero Error of a Screw Gauge: When the plane surface of the screw and the opposite plane stud on the frame are brought into contact, if the zero of the head scale coincides with the pitch scale axis, there is no zero error. […]

What are the key features of a mountain? What do Mountains look like? Mountains usually have steep, sloping sides and sharp or slightly rounded ridges and peaks. Mountains can be rocky and barren. Some have trees growing on their sides and very high mountains have snow on their peaks. Which two landforms has the hiker […]

Do low mass stars live longer? The more fuel, the more supply of material for fusion the star has and so the longer the star can live. The fuel is hydrogen atoms and the number of hydrogen atoms is greater in high mass stars than it is in lower mass stars. Lower mass stars live […]

How do you find distance with time and mass? The mass amount does not change the formula because all objects accelerate at the same rate when falling downward. Take the final velocity/speed amount, or 0.99 meters per second, and plug it into the basic formula for speed: speed = distance/time. How do you calculate mass […]

Why salt water makes you float? When salt is dissolved in water, as it is in ocean water, that dissolved salt adds to the mass of the water and makes the water denser than it would be without salt. The denser the salt water, the easier it is for objects to float on top of […]

What happens when humidity reaches 100 %? When relative humidity reaches 100 percent or is saturated, moisture will condense, meaning the water vapor changes to liquid vapor. Thus, the saturation level of air is related to the air’s temperature. As air temperature increases (or becomes warmer), more water remains in a gas phase. What happens […]

What is the most dangerous butterfly? Antimachus Swallowtail What is the rarest type of butterfly? Palos Verdes Blue Are black butterflies rare? The black butterfly is a very rare specimen; its beauty derives just from the fact that, unlike most butterfly species, it doesn’t have bright colors on its wings. There are over hundreds of […]

What is C 2πr? The circumference formula is used to calculate the distance around a circle. Circumference formulas: C = 2πr or C = πd. r is the radius and d is the diameter. The diameter is the longest chord that runs through the center of the circle. Does iPhone have a pi symbol? Pi […]

Which force pulls objects to the ground? Gravitational force Which forces act on a skydiver who is falling at terminal velocity? As the skydiver gains speed, their weight stays the same but the air resistance increases. There is still a resultant force acting downwards, but this gradually decreases. Eventually, the skydiver’s weight is balanced by […]