How do crumple zones save lives? Crumple zones add time to the crash by absorbing energy. Crumple zones allow the front of the vehicle to crush like an accordion, absorbing some of the impact of the collision and giving some off in the form of heat and sound. Are crumple zones compulsory? All new vehicles […]
Is food kinetic or potential energy?
Is food kinetic or potential energy? The food we eat. Food contains chemical potential energy – as our bodies digest it, the stored energy is converted into energy for us to move and grow. Is light bulb potential energy? So a 60 watt light bulb converts 60 joules of electrical energy per second into light […]
What can beta particles be stopped by?
What can beta particles be stopped by? Beta particles are more penetrating than alpha particles, but are less damaging to living tissue and DNA because the ionizations they produce are more widely spaced. They travel farther in air than alpha particles, but can be stopped by a layer of clothing or by a thin layer […]
What airspace is above Class A?
What airspace is above Class A? With some exceptions, Class A airspace is applied to all airspace between 18,000 feet (5,500 m) and flight level (FL) 600 (approximately 60,000 ft). Above FL600, the airspace reverts to Class E. The transition altitude is also consistently 18,000 feet (5,500 m) everywhere. What are the six classifications of […]
How did penicillin change the world?
How did penicillin change the world? The discovery of penicillin changed the world of medicine enormously. With its development, infections that were previously severe and often fatal, like bacterial endocarditis, bacterial meningitis and pneumococcal pneumonia, could be easily treated. Penicillin clearly led the way in that development. Who was the first person to receive penicillin? […]
How many men does it take to hold a fire hose?
Is Please be informed rude?
Is Please be informed rude? 1 Answer. Yes, “Please be informed that…” is correct, as is “For your information”. Both formulations are common and current. ‘Please be informed that’ is more polite than ‘This is to inform you that’. How do I ask for advice professionally? When you ask someone for advice, be specific about […]
Where is bioenergy used?
Where is bioenergy used? Biomass is the only renewable energy source that can be converted into liquid biofuels such as ethanol and biodiesel. Biofuel is used to power vehicles, and is being produced by gasification in countries such as Sweden, Austria, and the United States. How do we get bioenergy? Bioenergy can be traced back […]
What is the best dryer sheet for static?
What is the best dryer sheet for static? BEST OVERALL: Snuggle Fabric Softener Dryer Sheets. BEST BANG FOR THE BUCK: Downy Fabric Softener Dryer Sheets. BEST NATURAL: Love Home and Planet Dryer Sheets. BEST SMELLING: Mrs. BEST FOR BABY: Grab Green Natural Newborn Baby Laundry Dryer Sheets. Which is better dryer sheets or liquid? Both […]
What happens if you cut or mow a dandelion?
What happens if you cut or mow a dandelion? Although dandelions that have been mowed down will grow back, destroying developing flowers before they are able to mature into seed distributors prevents the opportunity for new germination. Mulched clippings left on the lawn promote grass health and also inhibit the germination of dandelion seeds on […]