Category: Physics

Would a propeller work in space? Turbine engines and propellers use air from the atmosphere as the working fluid, but rockets use the combustion exhaust gases. In outer space there is no atmosphere so turbines and propellers can not work there. This explains why a rocket works in space but a turbine engine or a […]

What are the 6 types of fossils? There are 6 types of fossils. They are body, trace, cast and mold, living, s carbon film, and petrified wood. What are the two main types of fossils? There are two types of fossils- the body fossils and the trace fossils. Body fossils include preserved remains of an […]

What happens to unused energy in the body? Excess protein that’s not needed to build and maintain your body or to meet energy demands is also changed into fat and stored. The unused calories from dietary fat and alcohol also are converted into body fat. Body fat, then, is the stored form of excess calories […]

What are 3 examples of an unlimited form of government? Examples of unlimited governments include authoritarian, like Iran, and totalitarian regimes, like North Korea. Which is the best description of an unlimited government? Unlimited Government: Control is placed entirely in the leader’s hands and his/her appointees. No limit is placed on the leader’s power. Government […]

Is it better to wear reading glasses or not? Whether or not you choose to wear your reading glasses will make no difference to your eyesight in the long run (although if you have to strain your eyes to read, you might get headaches or find that your eyes feel sore). Are cheap reading glasses […]

What are 2 ways viruses can reproduce? There are two processes used by viruses to replicate: the lytic cycle and lysogenic cycle. Some viruses reproduce using both methods, while others only use the lytic cycle. In the lytic cycle, the virus attaches to the host cell and injects its DNA. How virus is created? Viruses […]

Where do plants get the energy to grow? Plants need energy from the sun, water from the soil, and carbon from the air to grow. Air is mostly made of nitrogen, oxygen, and carbon dioxide. Where does the mass of plants come from? The mass of a tree is primarily carbon. The carbon comes from […]

What is K in capacitor? Also, sometimes capacitors are marked with the capital letter K to signify a value of one thousand pico-Farads, so for example, a capacitor with the markings of 100K would be 100 x 1000pF or 100nF. Are capacitors color coded? The capacitors use a capacitor color code similar to the resistors […]

Does Superman exist in Titans? Superman Exists (In Some Form) In The Titans Universe. DC Universe’s Titans confirms Superman exists in the TV show’s world during the second episode, “Hawk and Dove.” Though only two episodes have been released, Titans hasn’t shied away from the larger DC Comics universe. Does Superboy ever become Superman? This […]

Is water a refrigerant? Water stands out as a natural refrigerant because it has no GWP or ODP and is neither flammable nor toxic. The thermodynamic process takes place in a rough vacuum due to the vapor pressure curve of water but then corresponds to the cycle of conventional refrigeration systems. Can you use a […]