Why is the work output of a machine always less than the work input? Although nearly equal, the output work is less than the input work because of friction. All machines use some amount of input work to overcome friction. The only way to increase the work output is to increase the amount of work […]
What is the wavelength of light that has a frequency of 6 x 10 14 Hz?
Which best describes why diamond ring will sometimes sparkle different colors in normal white light?
Which best describes why diamond ring will sometimes sparkle different colors in normal white light? The ___________ of a wave is the bending of a wave as it passes through one medium to another medium. Which best describes why a diamond ring will sometimes sparkle different colors in normal white light? Constructive interference will occur, […]
What happens when a fluid cools down?
What happens when a fluid cools down? Answer: When the fluid cools, the kinetic energy of the molecules decreases. This causes the molecules to slow down and move closer together. Since the molecules are closer together, the density of the fluid increases and the fluid sinks. What best describes how fluids change as they travel? […]
What is the characteristics of other planets in the solar system?
What is the characteristics of other planets in the solar system? The solar system is host to two broad categories of planets. The four closest to the sun — Mercury, Venus, Earth and Mars — are the terrestrial planets. They have rocky surfaces enclosed by relatively shallow atmospheres. The gas and ice giants — Jupiter, […]
What type of reaction is magnesium with hydrochloric acid?
What type of reaction is magnesium with hydrochloric acid? Oxidation – Reduction. Adding magnesium metal to hydrochloric acid produces hydrogen gas. The magnesium dissolves to form magnesium chloride, MgCl2. What type of reaction is MgCl2? Magnesium (Mg) combines with chlorine (Cl2) to form a new product as magnesium chloride (MgCl2). Therfore its a combination reaction […]
Is walking resistance training?
Is walking resistance training? Walking is great cardio but you also need strength training to balance it out. While there are a lot of dynamic duos in the fitness world, one stands out as a low-impact, high-benefit option accessible to almost everyone — walking and strength training. Are squats resistance training? Squats are typically seen […]
What are the types of digital divide?
What are the types of digital divide? However, two other types of divide will have much greater impact in the years to come. Stage 1: Economic Divide. In its simplest form, the digital divide is manifested in the fact that some people can’t afford to buy a computer. Stage 2: Usability Divide. Stage 3: Empowerment […]
Why did Ebbinghaus use nonsense syllables?
Why did Ebbinghaus use nonsense syllables? Ebbinghaus had one experimental subject: himself. Nonsense syllables were stimuli Ebbinghaus had never seen before. He wanted to study memory for things being learned for the first time, so nonsense syllables seemed to meet his needs. Why did Ebbinghaus study memory for nonsense syllables quizlet? Why did Hermann Ebbinghaus […]
What is the price elasticity of supply Can you explain it in your own words?
What is the price elasticity of supply Can you explain it in your own words? Price elasticity of supply measures the responsiveness to the supply of a good or service after a change in its market price. According to basic economic theory, the supply of a good will increase when its price rises. Conversely, the […]