Category: Physics

How can I speed up my water? Important Formulas – Boats and Streams Downstream. In water, the direction along the stream is called downstream. Upstream. In water, the direction against the stream is called upstream. Let the speed of a boat in still water be u km/hr and the speed of the stream be v […]

How many times should you say thank you? As a rule of thumb, if you can think of a specific thing to thank each person for, write separate notes. If you can’t – if the group acting so cohesively that you would be writing the exact same note five times – one note is acceptable. […]

How many electrons are in a silicon atom? 2, 8, 4 How do you know how many rings an atom has? Horizontal rows on the Periodic Table are called periods. – The row number tells you how many energy levels, or rings, the element has. – Elements in the same row have the same number […]

Is solar wind actually wind? The solar wind streams plasma and particles from the sun out into space. Though the wind is constant, its properties aren’t. What was solar wind hack? An unusual hack In early 2020, hackers secretly broke into Texas-based SolarWind’s systems and added malicious code into the company’s software system. Beginning as […]

What material absorbs shock the best? PORON® polyurethane and BISCO® silicone materials continue to prove to be the best shock absorbing materials when flexible cushioning is needed. Does Styrofoam absorb impact? Styrofoam is that it is extremely lightweight. This is due to the fact that Styrofoam is approximately 90 percent air. This makes the substance […]

Which layer of the atmosphere is the hottest? The thermosphere is often considered the “hot layer” because it contains the warmest temperatures in the atmosphere. Temperature increases with height until the estimated top of the thermosphere at 500 km. Temperatures can reach as high as 2000 K or 1727 ºC in this layer (Wallace and […]

What happens if there is no information technology? Without technology, we wouldn’t be able to access online courses to learn many things, such as investment or how to become an entrepreneur. We also wouldn’t be able to do research online. Over 6 million students were taking online classes before this pandemic happened, and 54% of […]

What are the 4 types of economic resources? Transcript. The factors of production are resources that are the building blocks of the economy; they are what people use to produce goods and services. Economists divide the factors of production into four categories: land, labor, capital, and entrepreneurship. What are the 5 economic resources? Land, labor, […]

What is the genre of the Trojan War? Because most of the Iliad depicts battles in the Trojan War, it also falls into the category of War Drama. As such, it provides many important insights into the nature of war and its place in human life (and human death—hey-o!). What is the genre of Iliad? […]

How did cannonballs kill? Gunners would fire so that shot hit the ground maybe ten or twenty yards in front of the target, then skipped along at knee/thigh level. One well-placed shot could kill or maim as many people as your formation is deep. What would happen if you get hit by a cannonball? In […]