What is the difference between an amp and Coulomb? Ampere is used to measure the flow of charges in a electric current per second. While coulomb is just the charge. So ampere is rate of amount of charge flows per second and coulomb is magnitude of charge flows in a specific time. What is the […]
How many times does current change in one second?
How many times does current change in one second? In public power distribution systems in the United States, (including household current), the voltage reverses itself 60 times per second. In some countries, the voltage reverses itself 50 times per second. The rate at which alternating current reverses direction is called its frequency, expressed in hertz. […]
Why is it important to be in the good fitness rating zone?
Why is it important to be in the good fitness rating zone? If your child’s score falls within the Healthy Fitness Zone it means they have achieved the recommended level of fitness for their age. So, your child will not be compared with other children. Your child will get personalized information on his or her […]
What element can make the most bonds?
What element can make the most bonds? Hydrogen Can an atom have 7 bonds? Meallic elements can definiely have more than eight valence electrons, however they do not tend to form covalent bonds. Therefore the maximum number of covalent bonds should be said to be 7, with the exception of some noble gases since they […]
What is an unhealthy simple sugar?
What is an unhealthy simple sugar? This type of sugar, called added sugar, is considered “bad sugar.” In its most processed and refined form (think the white powdery stuff we stir into coffee, or high fructose corn syrup in soft drinks and packaged foods), sugar has absolutely no nutritional value. Are bananas simple sugars? Your […]
How did Florida attract new settlers?
How did Florida attract new settlers? During the 1800s, Florida attracted settlers to its areas because of the abundant land and water resources. Florida developed in the 1800s when settlers built many towns along the coasts and rivers in areas with natural ports. Why did US want Florida? The United States now wanted control of […]
What kind of energy is striking a match?
What kind of energy is striking a match? chemical energy When you light a match which energy transformation happens first? Mechanical energy is energy associated with the motion and position of an object. When you strike a match, it moves through the air until it rubs against a surface. The rubbing produces the heat required […]
How do you know if correlation is positive or negative?
How do you know if correlation is positive or negative? We often see patterns or relationships in scatterplots. When the y variable tends to increase as the x variable increases, we say there is a positive correlation between the variables. When the y variable tends to decrease as the x variable increases, we say there […]
Which has more momentum a heavy truck?
How did the environment of Earth develop over a period?
How did the environment of Earth develop over a period? All of the environments on Earth change over time. Some changes are caused by the slow movement of the continents (plate tectonics) and take millions of years. Other changes are caused by variations in Earth’s climate and take thousands of years. How did the environment […]