Which angular velocity is greater a second hand minute hand and hour hand of a clock? The second hand goes through 2π radians in 1 min, or 2π radian/60 seconds, so ω = π/30 rad. s-1 = 0.03 rad. s-1. The minute takes one hour = 60 s/min × 60 min = 3600 s to […]
How does a mechanical wave move?
How does a mechanical wave move? A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy. This energy propagates in the same direction as the wave. Which wave has […]
What would happen if there was no winter?
What would happen if there was no winter? Originally Answered: What would happen to life on Earth if we did not have seasons? Seasons are caused by the earth’s tilt. Without tilt, there would be no summer season and no winter season. The equator would always be hot and the poles would always be cold. […]
Can AC run DC?
Can AC run DC? You can use AC coils on DC circuits providing you apply enough DC voltage to draw the same amount of current as when operating on AC. Here’s an alternative to rewinding AC coils so that they can operate on DC circuits. It’s a relatively simple procedure requiring some calculations and some […]
Why do some objects float?
How do you test if sunglasses are polarized?
How do you test if sunglasses are polarized? Look at a bright, reflective light source (e.g., glass, water, or polished metal) with your shades on. If the light increases in intensity when you tilt your head sideways to around 60 degrees, you’re wearing polarized sunglasses. If there’s no change in quality, they’re just tinted. Where […]
How do I stop getting shocked from static?
How do I stop getting shocked from static? Stop Being Zapped: Skin Tips Stay Moisturized. Keeping your skin hydrated is one way to reduce the effects of static shock. Wear Low-Static Fabrics & Shoes. Rubber-soled shoes are insulators and build up static on your body. Add Baking Soda to Your Laundry. What things have a […]
What do Emos do for fun?
What do Emos do for fun? Emo people listen to a genre of music and enjoy like any other genre of music. If you’re thinking about the stereotypical “emo,” then you’re thinking about a teenager figuring out their life and finding friends while being awkward. Soon, they’ll find their way. How do I become emo? […]
What are the symptoms of a bad fuel pressure regulator?
What are the symptoms of a bad fuel pressure regulator? Symptoms of a Bad or Failing Fuel Pressure Regulator Misfires and a decrease in power, acceleration, and fuel efficiency. One of the first symptoms of a possible issue with the fuel pressure regulator is engine performance issues. Fuel leaks. Another symptom of an issue with […]
What are the four levels of an ecosystem?
What are the four levels of an ecosystem? In ecology, ecosystems are composed of organisms, the communities they comprise, and the non-living aspects of their environment. The four main levels of study in ecology are the organism, population, community, and ecosystem. What factors make up an ecosystem? Ecosystems contain biotic or living, parts, as well […]