Category: Physics

What horizontal force is required if ΜK is zero? If the coefficient of kinetic friction between a 35 kg crate and the floor is 0.30, what horizontal force is required to move the crate at a steady speed across the floor? What horizontal force is required if μk is zero? = Force of crate. What […]

Why do more massive stars age faster quizlet? Why do more massive stars age faster? Because they have hotter cores, so nuclear reactions proceed faster. It is not massive enough to make it hot enough for further reactions. You just studied 12 terms! What role does interstellar matter play in stellar evolution quizlet? A less […]

How long does it take for the blood to circulate through the body? For the blood to circulate throughout the body and back to the heart, it takes about one minute. How fast does your blood circulate through your body? The 5 quarts of blood an adult male continually pumps (4 quarts for women) flow […]

How do you ask a yes no question? It means when we are asking yes/no questions, we are expecting the answer, yes or no. To form Yes/No questions, we use one of these verbs: auxiliary verbs ( be, do and have ) or modal verbs ( can, may,etc.). We can not use questions words like […]

What part of your body is least sensitive? trunk Which part of skin is most sensitive? The face has demonstrated to be the most common site of skin sensitivity (Table 3), predictable physiologically due to the larger and multiple number of products used on the face (particularly in women), a thinner barrier in facial skin, […]

Can we see an atom? In fact, even the most powerful light-focusing microscopes can’t visualise single atoms. Atoms are so much smaller than the wavelength of visible light that the two don’t really interact. To put it another way, atoms are invisible to light itself. What are 5 interesting facts about silver? 8 Fun Facts […]

Does pure water have a pH of 7? Alkaline water has a pH of 8 or above. The most alkaline substances, such as lye, have a pH of 14. Pure water has a pH of 7 and is considered “neutral” because it has neither acidic nor basic qualities. Does boiling water reduce the pH? The […]

Will I get held back if I fail 2 classes? To fail a grade a student usually must fail two or more core classes or fail the standardized test in their state. Grade retention policies vary at both the state and district levels for students at-risk of being held back. To avoid this, they will […]

Do we need sugar in our body? According to the American Heart Association (AHA), the body does not need any added sugar to function healthily. Naturally occurring sugars come with a variety of nutrients that the body needs to stay healthy. For example, alongside fructose, fruit contains fiber and various vitamins and minerals. Can we […]

What are the negative effects of bottled water? The manufacturing process of plastic water bottles alone releases tons of carbon dioxide into the atmosphere each year. As a result, the surrounding oxygen becomes contaminated, making it harder to breathe and, in some regions, even making the residents sick. What is the eventual fate for discarded […]