How long do solar panels last in space? 25 years Is solar power stronger in space? At 22,000 miles above the Earth, the sun is much brighter, so space-based solar panels could collect way more solar energy. They’d deliver up to 40 times the annual amount of reliable 24/7 energy that the same cell would […]
What type of image is formed on the retina of a human eye?
What type of image is formed on the retina of a human eye? The image formed on the retina is real and inverted. The retina comprises specialized cells that are sensitive to light, known as rod and cone cells. These cells get stimulated and send signals to the brain which turns them into erect images […]
What are the two formulas for mechanical advantage?
What are the two formulas for mechanical advantage? (b) The ideal mechanical advantage equals the length of the effort arm divided by the length of the resistance arm of a lever. In general, the IMA = the resistance force, Fr, divided by the effort force, Fe. IMA also equals the distance over which the effort […]
Why is productivity important?
Why is productivity important? Productivity is a measure of the efficiency of production. High productivity can lead to greater profits for businesses and greater income for individuals. For businesses, productivity growth is important because providing more goods and services to consumers translates to higher profits. Why efficiency is so important? Efficiency reduces hunger and malnutrition […]
Can we travel between galaxies?
Can we travel between galaxies? The technology required to travel between galaxies is far beyond humanity’s present capabilities, and currently only the subject of speculation, hypothesis, and science fiction. However, theoretically speaking, there is nothing to conclusively indicate that intergalactic travel is impossible. Why is the universe infinite? If the universe is infinite, it has […]
How do you calculate cubic space?
How do boats calculate speed?
Why does rubbing two balloons repel?
Why does rubbing two balloons repel? Rubbing the balloon onto your hair or onto the wool fabric adds electrons to the balloon and causes the balloon to become negatively charged. Like charges repel (the two balloons, once charged, will move away from each other) and opposite charges attract (the paper will be attracted to the […]
What is the formula of ammonium chloride?
What is the formula of ammonium chloride? NH4Cl What is the common name of ammonium chloride? Ammonium chloride (NH4Cl), also called sal ammoniac, the salt of ammonia and hydrogen chloride. Is ammonium chloride a strong acid? Ammonium chloride is a salt of strong acid which is hydrochloric acid and weak base which is ammonia. Solutions […]
Why do marathon runners wear silver blankets?
Why do marathon runners wear silver blankets? The blankets they are given help the athlete to regulate their body temperature, after a race a runner’s temperature will drop quite rapidly because they have ceased working their muscles. … Why is plastic foam good at reducing heat loss? Polystyrene and plastic foam are both used as […]