Category: Physics

How is the smoke drawn up a chimney affected when a wind is blowing outside? How is the smoke drawn up a chimney affected when a wind is blowing outside? Smoke is unaffected. What happens to smoke from a chimney when there is a light breeze? Smoke rises in a chimney faster when a breeze […]

How do u find the perimeter of a shape? The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width […]

Which Microsoft program is best for graphs? Excel is better with graphs than Access. I don’t use Excel for much, but there are quite a few tutorials on creating a line graph in Excel. What is the use of recommended chart option? What is the use of recommended chart? It is the most useful and […]

What car goes 0 60 the fastest? McLaren 720S McLaren P1, BAC Mono – 2.8s. Caterham 620R, 2.79s to 60mph. Hennessy Venom GT – 2.7s to 60mph. Porsche 911 Turbo S (992) – 2.6s to 62mph. Rimac Concept One – 2.5sec to 62mph. Porsche 918 Spyder, Koenigsegg One:1 – 2.5sec to 60mph. Tesla Model S, […]

What makes a parachute fall slower? When a parachute is released, the weight pulls down on the strings. The large surface area of the parachute material provides air resistance to slow the parachute down. The larger the surface area the more air resistance and the slower the parachute will drop. Where is the pull cord […]

Why is CE configuration preferred? Common emitter circuit is preferred over a common base circuit in amplifiers because the resistance of the common emitter circuit is much less than that of the common base circuit. Also the power gain in the common emitter circuit is much higher than that in a common base circuit. Which […]

How long a ramp do I need for 4 steps? For commercial occupied use, the Americans with Disabilities Act (ADA) recommends a 1:12 slope. This means that every 1” of the vertical rise needs at least 1′ (12”) of ramp length. This equates to 5 degrees of incline. What is a comfortable slope to walk […]

Does recusal affect quorum? The existence of a quorum is not affected by the recusal or abstention of a member so long as they remain present at the meeting. What is roll call vote? roll call vote – A vote in which each senator votes “yea” or “nay” as his or her name is called […]

How do you determine if there is a relationship between two variables stats? Correlation Correlation analysis seeks to identify (by a single number) the degree to which there is a (linear) relation between the numbers in sets of data pairs. Regression analysis is used to determine if a relationship exists between two variables. 1)Generation of […]

What is the wave height called? As is shown on the figure, wave height is defined as the height of the wave from the wave top, called the wave crest to the bottom of the wave, called the wave trough. How do you find the distance between two crests? Reasoning The distance between adjacent crests […]