What are the similarities and differences between a compound and a molecule? A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not […]
What are the 3 steps of nuclear fusion?
What are the 3 steps of nuclear fusion? The steps are: Two protons within the Sun fuse. A third proton collides with the formed deuterium. Two helium-3 nuclei collide, creating a helium-4 nucleus plus two extra protons that escape as two hydrogen. How far off is fusion energy? A viable nuclear fusion reactor — one […]
What four steps should you take to put on a safety belt properly?
Do earbuds use magnets?
Do earbuds use magnets? Yes. Most earbuds use dynamic speaker drivers… which produce sound when the audio signal flows through a voice coil, generating an alternating magnetic field, which pushes against a fixed magnetic field, and that force moves the speaker cone or dome which is connected to the voice coil. Will a magnet mess […]
When driving down a steep downgrade You should never?
When driving down a steep downgrade You should never? Terms in this set (105) When driving down a steep downgrade, YOU SHOULD NEVER: Shift to NEUTRAL. What 2 main things must you do with your vehicle for a steep downgrade? The vehicle should be placed in a low gear and the driver should use engine […]
Can live without physics?
Can live without physics? We can conclusively say that physics governs our lives and ease our day-to-day operations. Without the understanding of physics today, many applications in physics such as electronics and mechanics would not exist today. We would be living without modern technology or instruments. Who Kept name physics? Aristotle Who are the greatest […]
How do you prove a line of best fit?
What is the area and circumference of the circle?
What is the area and circumference of the circle? In geometry, the circumference (from Latin circumferences, meaning “carrying around”) of a circle is the (linear) distance around it. That is, the circumference would be the length of the circle The area of a circle is pi (approximately 3.14) times the radius of the circle squared. […]
Does a shorter barrel make a gun louder?
Does a shorter barrel make a gun louder? shorter barrels are always louder because the muzzle is closer to your ears!!! Because the sound as measured at the barrel is louder in the short barreled gun. The amount it is reduced by holding it further away does not completely counter act the extra noise it […]
Is campfire heat radiation or convection?
Is campfire heat radiation or convection? While watching the campfire you feel the heat of the glowing fire via radiation. Heat transfer in fluids generally takes place via convection. What kind of energy does the earth receive directly from the sun? solar radiation Why can the sun transmit heat to earth only by radiation? The […]