How can you reduce unwanted energy transfers in a machine with moving touching components? Mechanical devices can be made more efficient through lubrication to reduce the friction between moving parts of a machine and increase the amount of useful energy transferred. Can you put too much insulation in your attic? It is possible to over-insulate […]
Do projectiles have a predictable path?
Do projectiles have a predictable path? Projectiles do not follow a predictable path. Where will the ball have the smallest speed? The speed is smallest at the highest point of its flight path because the y- component of the velocity is zero. At what point of the projectile path the speed is i minimum and […]
Can you wire a 3 pin plug with 2 wires?
Does ozone kill bugs?
Does ozone kill bugs? This extra oxygen atom gives the molecule its ozone gas a very effective and powerful oxidizing power to kill insects, mold spores, mold growth, and odors such as pet odors and smoking odors. Bug-killing ozone gas returns to normal oxygen in about 30 to 45 minutes after turning off the ozone […]
What does not affect braking distance?
What does not affect braking distance? Visibility is one of a number of factors that do not affect your braking distance per se but can inhibit your thinking distance. The longer it takes for you to spot hazards in the road, the more time will have passed before you hit the brake pedal. What factors […]
What is the main function of circulatory system?
What is the main function of circulatory system? The circulatory system delivers oxygen and nutrients to cells and takes away wastes. The heart pumps oxygenated and deoxygenated blood on different sides. The types of blood vessels include arteries, capillaries and veins. What is an example of the circulatory system? The circulatory system is made up […]
How do you interpret Q1 and Q3?
Do more bushels of potatoes grow when the soil is fertilized?
Do more bushels of potatoes grow when the soil is fertilized? An investigation found that more bushels of potatoes were produced when the soil was fertilized more. Students measured the temperature of the water at different depths in Lake Skywalker and found that the temperature varied. Does potatoes need to be fertilized? As you will […]
Who pollutes the most in the world?
Who pollutes the most in the world? China Is Lamb worse than beef for the environment? This blog post draws on data and research discussed in our entry on Environmental impacts of food production and CO2 and Greenhouse Gas Emissions. Beef and lamb, in particular, have much higher greenhouse gas emissions than chicken,pork, or plant-based […]
Is Earth part of the Sagittarius dwarf galaxy?
Is Earth part of the Sagittarius dwarf galaxy? Brace yourself for a shock, bring out those handkerchiefs while wailing violins build to a crescendo around you: The earth is actually part of a formation called the Sagittarius Dwarf galaxy; an entity so small — in the larger scheme of the cosmos — that it got […]