Category: Physics

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 […]

Why is it called electromagnetic? The waves of energy are called electromagnetic (EM) because they have oscillating electric and magnetic fields. If it has low frequency, it has less energy and could be a TV or radio wave. All EM energy waves travel at the speed of light. No matter what their frequency or wavelength, […]

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 […]

What does physics do to music? The development of music required an understanding of physics. Many aspects of music require an understanding of physics. Lastly, music is greatly influenced by how the ear and the brain actually perceive sound. The ear is a highly complex mechanical device that demonstrates many principles of physics. Why do […]

Is throwing water in someones face illegal? Yes. It is a crime almost everywhere to throw something at someone, even if it causes little or no injury. Usually it would be classified as “assault and battery” although if it damages clothing or other property, it could also be called, for example, “criminal mischief” which is […]

How much force is required to close a door? Interior Doors – 5 pounds of force. Exterior Doors – 15 pounds of force – Massachusetts AAB 521 CMR only – the ADA and A117. 1 do not include a requirement for exterior doors. Sliding or Folding Doors – 5 pounds of force. Which force is […]

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 […]

Is a 50 profit margin good? You may be asking yourself, “what is a good profit margin?” A good margin will vary considerably by industry, but as a general rule of thumb, a 10% net profit margin is considered average, a 20% margin is considered high (or “good”), and a 5% margin is low. What […]

How does turning off lights help climate change? According to NSTAR, 29% of energy use in non-residential buildings is used for lighting. If you turn off the lights whenever you leave a room, you can reduce greenhouse gas emissions by 0.15 pounds per hour. How can students help reduce climate change? Make sure the lights […]