Can you put a lamp in front of a mirror? Placing a lamp in front of a mirror! The idea is that the mirror will bounce back any of the light the lamp gives off, effectively growing your light source (i.e. making your room brighter). What should you hang on the side of a mirror? […]
What is the kinetic energy of the disk?
What is the kinetic energy of the disk? The kinetic energy of the disk therefore is KEtot = (3/4)mr2ω2. The ratio of the translational to the rotational kinetic energy is Etrans/Erot = mr2/I. How much is the angular momentum of Earth about its own axis? L=7×1033kg/m2/sec. Is angular momentum proportional to radius? Angular momentum of […]
What are the four components of fireworks?
What are the four components of fireworks? All fireworks have four main ingredients—fuel, oxidizing agent, colorant and binder. The fuel is the material that explodes. The oxidizing agent supplies the extra oxygen needed to cause the shells to explode. Colorants produce the array of colors typical of aerial blasts. What happens if you hold a […]
What are 3 examples of omnivores?
What are 3 examples of omnivores? Omnivores are a diverse group of animals. Examples of omnivores include bears, birds, dogs, raccoons, foxes, certain insects, and even humans. Animals that hunt other animals are known as predators, while those that are hunted are known as prey. What does omnivores mean in English? adjective. eating both animal […]
What happens to the velocity of a heavy body when it undergoes an elastic collision in one dimension with a very light body at rest?
What happens to the velocity of a heavy body when it undergoes an elastic collision in one dimension with a very light body at rest? Notes: The heavy body keeps on moving with the same velocity when it undergoes an elastic collision in one dimension with a very light body at rest. Note: the body […]
In what year did the US economic recovery begin?
In what year did the US economic recovery begin? 2009 What factors caused the Great Depression to spread around? Causes of the Great Depression The stock market crash of 1929. During the 1920s the U.S. stock market underwent a historic expansion. Banking panics and monetary contraction. The gold standard. Decreased international lending and tariffs. Did […]
How universe is created?
How universe is created? Our universe began with an explosion of space itself – the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies. What happens to the universe after heat […]
What are 2 types of motivation?
What are 2 types of motivation? Motivation comes from two places: Intrinsic motivation: This is when motivation comes from “internal” factors to meet personal needs. We do things we do because we enjoy them, not because we have to. Extrinsic motivation: This is when motivation comes from “external” factors that are given or controlled by […]
What do you put at the bottom of a kids slide?
What do you put at the bottom of a kids slide? There is a large list of options when it comes to choosing the ground beneath your swing set, each with their advantages and disadvantages….Loose-fill materials: Wood playground mulch or engineered wood fiber (EWF) Rubber playground mulch. Pea gravel. Sand. Can you repaint a plastic […]
What is the meaning of Article 3 Section 1?
What is the meaning of Article 3 Section 1? Article III establishes the federal court system. The first section creates the U.S. Supreme Court as the federal system’s highest court. The Supreme Court has final say on matters of federal law that come before it. Congress has the power to create and organize the lower […]