Category: Physics

Can crystals grow? Scientists typically describe crystals as “growing,” even though they are not alive. Each crystal starts small and grows as more atoms are added. Many grow from water rich in dissolved minerals, but they also grow from melted rock and even vapor. What are three ways crystals form? You can grow crystals in […]

What are the two conditions that make deception ethical? Deception in psychological research is often stated as acceptable only when all of the following conditions are met: 1) no other nondeceptive method exists to study the phenomenon of interest; 2) the study makes significant contributions to scientific knowledge; 3) the deception is not expected to […]

What is it called when I add two forces together? The resultant force is a single force that has the same effect as two or more forces acting together. You can easily calculate the resultant force of two forces that act in a straight line. At what angle should the two forces 2p and? Therefore, […]

What will replace the space shuttle? Orion is NASA’s new spacecraft, built to take humans farther into space than they’ve ever gone before. It will carry the crew to space, provide emergency abort capability, sustain the crew and provide a safe return to Earth. Does NASA use SpaceX? NASA’s support of companies like SpaceX has […]

What is the most powerful force in the world? Armed Forces The United States in comparison, has significantly less – 1.4 million – but when assessing the overall power of the world’s military forces, the U.S. comes out on top, ahead of Russia and China in second and third, respectively. Which country has no army? […]

Where is kinetic energy the greatest on a hill? As you begin to descend, your potential energy decreases until it’s all gone at the bottom of the hill.” “At the bottom of the first hill, your kinetic energy is at its highest point. How is kinetic energy affected by his speed? It turns out that […]

How fast is the volume of a sphere increases as the radius increases? Since time just increases, and the radius increases as a function of time, and the volume increases as a function of a constant times the radius cubed, the volume increases faster than the radius increases, so we can’t just say the two […]

What is the efficiency of the cycle? THe total thermal energy transferred out of the gas in one cycle is 1300J. Determine the efficiency of the cycle. The area within the cycle is equivalent to the work done by the gas, which is 610J. My first guess was just the ratio of the useful work […]

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Is powdered chocolate a solute? The solution of hot chocolate becomes one mixture rather than powder and water. The substance that is being dissolved in another substance is called the solute. In this example, the hot chocolate powder is the solute. Is chocolate powder dissolve in hot water easily? Explanation: Hot water has more energy […]