Would a propeller work in space? Turbine engines and propellers use air from the atmosphere as the working fluid, but rockets use the combustion exhaust gases. In outer space there is no atmosphere so turbines and propellers can not work there. This explains why a rocket works in space but a turbine engine or a […]
What are the 6 types of fossils?
What are the 6 types of fossils? There are 6 types of fossils. They are body, trace, cast and mold, living, s carbon film, and petrified wood. What are the two main types of fossils? There are two types of fossils- the body fossils and the trace fossils. Body fossils include preserved remains of an […]
Is Boron 11 stable or unstable?
Is Boron 11 stable or unstable? Boron 11 Metal (Boron-11) is a stable (non-radioactive) isotope of Boron. It is both naturally occurring and a produced by fission. What is the half life of boron-10? 20.20 milliseconds Why is boron 9 not stable? Returning to our boron example, with only 4 neutrons, boron-9 is unstable, and […]
What is the center of a hurricane called?
What is the rarest color for a rose?
What is the rarest color for a rose? Blue Roses What does a pink rose mean? Pink roses symbolize gratitude, grace, and joy. Overall, pink roses suggest a gentleness compared to the typical bright red rose. They are seen as a token of admiration when given to someone. Just like with red roses, pink’s varying […]
Which is the thinnest and outermost layer of the atmosphere?
Which is the thinnest and outermost layer of the atmosphere? The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the crust is the thinnest layer of the Earth, amounting for less than 1% of our planet’s volume. […]
Who is the father of correlation?
Who is the father of correlation? Sir Francis Galton What is the formula of Karl Pearson coefficient of skewness? Step 1: Subtract the mode from the mean: 70.5 – 85 = -14.5. Step 2: Divide by the standard deviation: -14.5 / 19.33 = -0.75. Pearson’s Coefficient of Skewness #2 (Median): Step 1: Subtract the median […]
How many joules is lethal?
How many joules is lethal? 50 Joules How many joules can a human punch? 400 joules How many joules can break a bone? 375 Joules How many joules does it take to crack a skull? We scanned the models after impact and compared the resulting fractures to the victim’s skull. The energy necessary for the […]
Where is an 18 wheeler blind spots?
Where is an 18 wheeler blind spots? Because of the massive size of 18-wheelers and other big commercial trucks, they have many blind spots. For instance, 18-wheelers have a blind spot at the front-end of the truck, on both sides; just below and behind the driver-side window; and directly behind the truck. What are blind […]
Does food processing play an important role in your daily living?
Does food processing play an important role in your daily living? Food processing can lead to improvements in, or damage to, the nutritional value of foods, sometimes both at the same time, and it can help to preserve nutrients that would otherwise be lost during storage. They play an important role in preserving the freshness, […]