Category: Physics

Which of the following action best describes conserving water? Water is best conserved if it is used judiciously. What is the most appropriate use for graywater? Greywater is suitable for irrigating lawns, trees, ornamentals, and food crops. Is laundry water GREY water? Greywater is the waste water from showers, baths, spas, handbasins, laundry tubs, washing […]

What are the two major types of roller coasters? There are primarily two types of roller coasters: steel and wooden. What do you call a roller coaster with a drop of 400 feet or more? Strata coaster: A coaster with a drop of 400 feet or more. What are some interesting variations or types of […]

Why is Feb only 28 days? This is because of simple mathematical fact: the sum of any even amount (12 months) of odd numbers will always equal an even number—and he wanted the total to be odd. So Numa chose February, a month that would be host to Roman rituals honoring the dead, as the […]

Does Red Cross pay for platelets? Platelets can only be donated at select American Red Cross Donation Centers and it requires an appointment. You will be able to provide in one platelet donation what would normally be collected from up to five whole blood donations. In fact, some platelet donations yield enough platelets for two […]

How do you know seafloor spreading? Seafloor spreading occurs at divergent plate boundaries. As tectonic plates slowly move away from each other, heat from the mantle’s convection currents makes the crust more plastic and less dense. The less-dense material rises, often forming a mountain or elevated area of the seafloor. What is the oldest seafloor? […]

Do geese sleep while flying? Now, however, according to a new study from the Max Planck Institute for Ornithology, researchers have finally found evidence that birds do indeed sleep while flying. Why do birds fly in circles at sunset? Why do flocks of birds fly in a circle over the same place over and over […]

Where I can ask questions and get answers? Herein find some best sites where you can ask questions and get answers from real people online. Answerbag. Yahoo! Answers. Blurt it. WikiAnswers. FunAdvice. Askville. Friendfeed. How do you ask Google a question? Ask a question On your computer, open Google. Search for a place. Under the […]

Can an object move without force? Acceleration is the change of velocity per unit time, so if there is no force, all we know is that the acceleration is zero. Therefore, the velocity is not changing. If the object was already moving, then it will just keep moving. So, yes, the object can be moving […]

What is the importance of mineral resources? Their Importance: Essential for industrial and economic development of nations. Copper, tin & iron ore were essential to the ancient metal-using cultures of the Bronze & Iron Ages. What is the use of the following resources land? Land is used for various activities like obtaining natural resources such […]

What is the most common roll with two dice? 7 What are the outcomes of rolling two dice? Rolling two six-sided dice: Each die has 6 equally likely outcomes, so the sample space is 6 • 6 or 36 equally likely outcomes…. First coin Second coin outcome H H HH H T HT T H […]