Which type of collision is most often seen in football? Perfectly inelastic collisions can be analyzed in terms of momentum. When two objects, such as the two football players, collide and move together as one mass, the collision is called a perfectly inelastic collision. What happens when two tennis balls collide? At impact, the cue […]
How do you solve time problems in physics?
What is an example of a directional hypothesis?
What is an example of a directional hypothesis? Directional hypothesis: A directional (or one tailed hypothesis) states which way you think the results are going to go, for example in an experimental study we might say…”Participants who have been deprived of sleep for 24 hours will have more cold symptoms in the following week after […]
Why does the sun burn us Readworks?
Why does the sun burn us Readworks? The Short Answer: There is infrared radiation, which is heat. There is visible light, which is what our eyes can see. There is also ultraviolet light. We can’t see ultraviolet with our eyes, but it can burn our skin. How is the sun burning without oxygen? The Sun […]
Which type of friction is the hardest to overcome?
Which type of friction is the hardest to overcome? Static friction Do smooth tires have more friction? Under dry conditions on paved roads, a smooth tire gives better traction than a grooved or patterned tread because a larger area of contact is available to develop the frictional forces. These values represent a compromise between the […]
What makes the ball keeps on rolling?
What makes the ball keeps on rolling? When a rigid ball rolls on a plane with no other forces, it is known that no friction applies and the ball keeps rolling. Static friction applies in the opposite direction of the tangential part of the external force, with equal magnitude. What do you call the force […]
How does nuclear energy help us?
How does nuclear energy help us? NUCLEAR POWER PROVIDES 52% OF AMERICA’S CLEAN ENERGY Nuclear energy provided 52% of America’s carbon-free electricity in 2020, making it the largest domestic source of clean energy. Nuclear power plants do not emit greenhouse gases while generating electricity. How is nuclear energy used in everyday life? In agriculture, radioactive […]
What caused the Age of Reform?
What caused the Age of Reform? The causes for Progressivism were the status revolution in the post-American Civil War era (“new money” supplanted “old money” prestige), the alienation of professionals, and the introduction of the Mugwump. Which reform movement was the most successful? The abolition of slavery What were the antebellum reform movements? The reform […]
What is the number 4 in SiCl4?
How many animals have lost their homes due to global warming?
How many animals have lost their homes due to global warming? U.N. report: 1 million species of animals and plants face extinction due to climate change and human activity – CBS News. How do animals affect the environment? All animals influence the environment to varying extents. The production of livestock and poultry has marked impacts […]