Category: Physics

What is an example of red shift? Scientists can use redshift to measure how the universe is structured on a large scale. One example of this is the Hercules-Corona Borealis Great Wall; light takes about 10 billion years to go across the structure. How is Red Shift measured? How Do Astronomers Measure Redshift? The most […]

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 […]

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 3 diseases can affect the endocrine system? Common endocrine disorders include diabetes mellitus, acromegaly (overproduction of growth hormone), Addison’s disease (decreased production of hormones by the adrenal glands), Cushing’s syndrome (high cortisol levels for extended periods of time), Graves’ disease (type of hyperthyroidism resulting in excessive thyroid … How do you fix your endocrine […]

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 […]

What is momentum of body at highest point? Discussion Sravanthi -Posted on 15 Dec 15. Given: Mass of body = 2 kg, velocity = 15 m/s, θ = 70° Formula: 1) At highest point velocity = u cos θ 2) Momentum = mass x velocity. Solution: 1) At highest point velocity = 15 x cos […]

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 […]

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 […]

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 […]