Category: Physics

Why is coronary heart disease more common in older people? Heart failure, coronary artery disease, and atrial fibrillation are common reasons for health visits and hospital stays. Normal aging causes your heart and blood vessels to stiffen, which can lead to these conditions in later years. For people older than 75, high blood pressure is […]

What are pins used for in textiles? Pins are used all the time in sewing projects to hold patterns to fabric, temporarily hold seams before stitching and for basting layers together when making a quilt. What is the function of the pins? In engineering and machine design, a pin is a machine element that secures […]

What are three changes that occurred during the Neolithic Revolution? Neolithic populations generally had poorer nutrition, shorter life expectancies, and a more labor-intensive lifestyle than hunter-gatherers. Diseases jumped from animals to humans, and agriculturalists suffered from more anemia, vitamin deficiencies, spinal deformations, and dental pathologies. What were some of the major changes for ancient people […]

What has led to the growth of juice bars? The growth of juice bars are due to the fact that people today are becoming more health conscious and feel a need to lose weight. Why are juice bars so popular? For the first time in recent history, consumers are looking for ways they can be […]

Do circular orbits exist? The shape of planetary orbits follows from the observed fact that the force of gravity between two objects depends on the square of the distance between them. A circle is a special case of an ellipse and it is theoretically possible for an orbit to be circular. In the real world, […]

Does a heavier paper airplane fly farther? Changing Mass In the same way a rock that is thrown pushes its way through the air as compared to a cotton ball, a paper airplane with more mass flies faster and farther than a paper plane with less mass, up to a point. If the mass is […]

Can you go to prison in GTA 4? The Alderney State Department of Corrections logo. The Alderney State Correctional Facility is a prison in south Alderney in Grand Theft Auto IV. It overlooks the West River and Algonquin. The prison is designated in the game to be it’s own area, not administrated by Acter Industrial […]

What are 3 natural resources in Michigan? The state’s natural resources are also key to Michigan’s recreational opportunities and tourism. The Great Lakes. Perhaps the most obvious natural resources in Michigan are the Great Lakes. Inland Lakes and Rivers. Wetlands. Sand Dunes. Forests. Fish and Wildlife. What are the resources of the Great Lakes? The […]

What are disadvantages and advantages of wind energy? Pros and cons of wind energy Pros of wind energy Cons of wind energy Renewable & clean source of energy Intermittent Low operating costs Noise and visual pollution Efficient use of land space Some adverse environmental impact What is the major weakness of all wind energy system? […]

How do you deal with barometric pressure pain? Treatment for barometric pressure headaches differs from person to person and depends on how severe the headaches have become. Some people can manage symptoms with over-the-counter (OTC) medications, like: acetaminophen (Tylenol) ibuprofen (Advil) Why do my joints hurt when the barometric pressure changes? Changes in barometric pressure […]