Category: Physics

Why do narcissists avoid answering questions with straight answers? Narcissists don’t answer questions because they like it when you are confused and uncertain. So rather than give you any sort of clarity, they either don’t answer at all, or they only offer very vague answers. Or, in some cases, they’ll say something that is completely […]

What is Arcsin equal to? arcsin sin30 = 0.5 Means: The sine of 30 degrees is 0.5 arcsin 0.5 = 30 Means: The angle whose sin is 0.5 is 30 degrees. How do you calculate Arcsin? arcsin is defined to be the inverse of sin but restricted to a certain range. Hence arcsin(sin(x))=x if x […]

What is the resistor value? Resistors. A resistor is a device that opposes the flow of electrical current. The bigger the value of a resistor the more it opposes the current flow. The value of a resistor is given in ohms and is often referred to as its ‘resistance’. What will happen if DC power […]

Why do I cry when I yawn? Our eyes need to stay wet, so these glands produce tears all the time to slowly release onto our eyes. When we yawn, our face muscle contract and put pressure on the tear glands. This causes them to release excess tears. Together, this means that your eyes water […]

What types of energy are released when something burns? When you burn that wood in a fireplace, chemical energy is released and converted into thermal energy (heat) and light energy. What type of energy is produced and wasted? Heat energy is the most easily dissipated form of energy. Light energy is frequently energy seen in […]

How do you log physical activity? How to Use a Weekly Physical Activity Log Record your activity goals. Record the type of activity you do and how long you’re active. Record notes on how the activity felt, what you noticed and things you learned while doing the activity. Record any changes you’d like to make […]

What is a simple food chain? A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. What is bioaccumulation […]

How do we measure distance? Step 1: Add the first point On your Android phone or tablet, open the Google Maps app . Touch and hold anywhere on the map. You’ll see a red pin appear. At the bottom, tap the name of the place. On the place’s page, scroll down and choose Measure distance. […]

How do I get rid of a urine infection without antibiotics? To treat a UTI without antibiotics, people can try the following home remedies: Stay hydrated. Share on Pinterest Drinking water regularly may help to treat a UTI. Urinate when the need arises. Drink cranberry juice. Use probiotics. Get enough vitamin C. Wipe from front […]

Is it safe to use a microwave that has peeling paint inside? If the coating is actively flaking or paint is peeling anywhere inside the oven cavity (including under the turntable) discontinue the use of the microwave and replace it. The microwave is not repairable. The inadvertent ingestion of small amounts of peeling coating does […]