Category: Physics

How much of the moon is always lit up at night? 1 Answer. 50% of the lunar surface is always illuminated by Sun. Does the moon wax from left to right? Recognize that the moon waxes and wanes from right to left. A waxing moon will be illuminated on the right side, and a waning […]

What is the Milkweed book about? Milkweed is a 2003 young adult historical fiction novel by American author Jerry Spinelli. The book is about a boy in Warsaw, Poland in the years of World War II during the Holocaust. Milkweed is the tale of a boy with no identity at a time when one’s identity […]

What was Ruby Bridges accomplishments? At the tender age of six, Ruby Bridges advanced the cause of civil rights in November 1960 when she became the first African American student to integrate an elementary school in the South. How did Ruby Bridges change history? At the young age of just six years old, Ruby Bridges […]

Does refraction occur in vacuum? Since the speed of light is always less than c in matter and equals c only in a vacuum, the index of refraction is always greater than or equal to one….Index of Refraction. Table 1. Index of Refraction in Various Media Medium n Water, fresh 1.333 Solids at 20ºC Diamond […]

What structures organelles do plant cells have that animal cells do not have? Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts. Which is biggest animal cell? Caulerpa taxifolia is […]

What is the distance from one point on a wave to the same point on another wave? Wavelength. The wavelength of a wave is the distance between a point on one wave and the same point on the next wave. It is often easiest to measure this from the trough of one wave to the […]

Is DISH Remote IR or RF? DISH 40.0 IR RF Remote Control for Hopper and Joey Receivers (ES190482) How do I find my new dish remote? Look on the front panel of your Hopper or Joey for a button labeled “Locate Remote.” That button is your ticket to the end of remote searching. Simply press […]

What are the problems of not recycling? For example, when specific waste, such as Styrofoam, ends up in a landfill, the harmful chemicals seep into the soil, which can result in cancerous cells forming in the dirt. Neglecting to recycle plastic water bottles can pollute large bodies of water such as lakes, oceans, and rivers. […]

What are 3 things that can generate electrical energy? The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy. How do we get our energy […]

What is the potential at point B? The radius at point B is the same as in point A, hence potential energy of an electron at point B is the same as at point A. The potential energy of an electron at point B in the figure – 2.88 × 10-16 J. What is the […]