Category: Physics

Are any planets in retrograde 2020? Retrograde Motion of Planets in 2020 We offer you a calendar of retrograde planets in 2020. This year, all the planets will be retrograde, some of them more times (Mercury and Uranus) and the others one time (Venus, Mars, Jupiter, Saturn, Neptune and Pluto). Node and Chiron will also […]

What would happen if you watered a plant with salt water? If you water a plant with salt water, it will wilt, and will eventually die. This is due to the fact that the salt water is a hypertonic solution when compared to the plant cells, and water inside the plant cells will diffuse by […]

Is it possible to spend a billion dollars in a lifetime? You could spend $5,000 a day for more than 500 years before you would run out of money. … Breaking it down even farther, it means you would have to spend over $100,000 every day for the next 25 years in order to spend […]

What do you get someone for Diwali? Top 10 Best Gifts you can give your Friends this Diwali Gift hamper. Homemade sweets and cakes. Watches and sunglasses. Potted house plants. Solar lawn lights. Ethnic wear and jewellery. Handmade candles. Statues of gods and goddesses. Diwali is a time for worshipping a lot of gods and […]

Who regulates loans in California? The California Department of Financial Protection and Innovation (DFPI) is a department of the Business, Consumer Services and Housing Agency (BCSH) that regulates a variety of financial services, products and professionals. What is California financing law? In addition to requiring a license for certain lending activity, the California Financing Law […]

Which has a higher terminal velocity a golf ball or a ping pong ball? Terminal velocity is achieved when the forces balance. Air resistance is a function of air density, cross sectional area, coefficient of drag and velocity squared. The ping pong ball weight is much lower than the golf ball weight so will be […]

What is Saltation load? The part of the bed load that is bouncing along the stream bed or is moved, directly or indirectly, by the impact of bouncing particles. What is Bedload flux? Bedload flux is an important component of the total fluvial sediment flux. Bedload. dynamics can have a substantial effect on rivers and […]

Why does the door knob feel colder than the door? On a cold day, why does a metal doorknob feel colder than the wooden door? The metal doorknob absorbs heat from your skin faster than the wooden door, so it feels colder. When we touch a piece of metal and a piece of wood that […]

What is selective pressure for lighter skin color? Indigenous populations in low-UV environments tend to have lighter skin tones. One hypothesis is that, in low-UV environments, the selective pressure for dark skin is low. Instead, there is selective pressure for lighter skin, which absorbs more UV radiation, since UV is needed for vitamin D production. […]

What was the most feared disease on the Oregon Trail? cholera What was the biggest threat on the Oregon Trail? Disease was the greatest threat on the trail, especially cholera, which struck wagon trains in years of heavy travel. Most deaths from disease occurred east of Fort Laramie. Accidents were the second most frequent cause […]