How do you make sound waves visible? Possible sound detectors cling wrap (vibrates easily when pulled taut) sand, glitter, or pepper to reveal vibrations. construction paper (vibrates relatively easily; great for making a sound box) water (potentially messy, but a great way to see vibrations) What is acoustics of sound? Acoustics, the science concerned with […]
What is the direction of magnetic lines of force inside a bar magnet?
What is the direction of magnetic lines of force inside a bar magnet? ∴ The magnetic lines of forces inside a bar magnet are from south-pole to north-pole of the magnet. Are the magnetic field lines inside a bar magnet parallel? Complete answer: A bar magnet has two poles – north pole and south pole. […]
How long does it take your lungs to recover from secondhand smoke?
How long does it take your lungs to recover from secondhand smoke? In as little as 1 month, a person’s lung function begins to improve. As the lungs heal and lung capacity improves, former smokers may notice less coughing and shortness of breath. Can secondhand smoke make you sick? When you are around a person […]
What are the main parts of a pulley?
What does 405 not allowed?
What does 405 not allowed? Method Not Allowed response How do I fix Error 520 Cloudflare? Error 520: web server returns an unknown error Error 520 occurs when the origin server returns an empty, unknown, or unexpected response to Cloudflare. A quick workaround while further investigating 520 errors is to either grey cloud the DNS […]
What are six examples of motion?
What are six examples of motion? Motion energy can be found in any moving object – here are some examples: Wind. A ball being thrown. Someone running. A fish swimming. What are examples of oscillatory motion? Oscillatory motion is defined as the to and fro motion of the body about its fixed position. Oscillatory motion […]
What is the resistance of a 4.5 m length of copper wire 1.5 mm in diameter?
What is the resistance of a 4.5 m length of copper wire 1.5 mm in diameter? 4.3×10−2Ω What is the resistance of a 3.5 m copper wire 1.5 mm in diameter? 3.3×10−2Ω What is copper resistivity? Electrical resistivity (also known as specific electrical resistance) is a measure of how strongly a wire opposes electric current. […]
What changes continuously in uniform circular motion?
What changes continuously in uniform circular motion? Uniform circular motion can be described as the motion of an object in a circle at a constant speed. As an object moves in a circle, it is constantly changing its direction. An object undergoing uniform circular motion is moving with a constant speed. Nonetheless, it is accelerating […]
What happens when parallel rays of light hit a smooth surface quizlet?
What happens when parallel rays of light hit a smooth surface quizlet? Reflection that occurs when parallel rays of light hit a SMOOTH surface and all reflect at the SAME ANGLE, so you see a SHARP reflection. When parallel rays of light hit a smooth surface it makes what type of reflection? Reflection and Refraction […]
How do you write 330 in scientific notation?
How do you write 330 in scientific notation? Why is 330 written as 3.3 x 102 in scientific notation? Why do doctors use scientific notation? Scientific Notation was developed in order to easily represent numbers that are either very large or very small. As you can see, it could get tedious writing out those numbers […]