How much energy is needed to completely melt a 15 g of ice? Therefore, energy needed to melt 15 grams of ice to water at 0∘C is 4520.7J. How much heat must be added to 100g of ice at 0c to melt the ice completely? The specific heat of melting of ice is 334 J/g, […]
What are the applications of electric motor?
What are the applications of electric motor? The applications of electrical motor include the following. The applications of electrical motor mainly include blowers, fans, machine tools, pumps, turbines, power tools, alternators, compressors, rolling mills, ships, movers, paper mills. What is electric motor and its principle? Electric motor: An electric motor is a device which converts […]
What are the 8 signs of dehydration?
What are the 8 signs of dehydration? 8 Signs That You Are Dehydrated Thirst and dry mouth. A thirsty person is a dehydrated person. Lightheadedness, muscle cramps, and weakness. Nausea and vomiting. No longer sweating, producing tears, or urinating. Irritability. Rapid heartbeat and breathing. Sunken eyes. Delirium. Are dry elbows a sign of dehydration? Dry […]
What happens when quantity demanded increases?
What happens when quantity demanded increases? If the price goes up, the quantity demanded goes down (but demand itself stays the same). If the price decreases, quantity demanded increases. This is the Law of Demand. On a graph, an inverse relationship is represented by a downward sloping line from left to right. What will cause […]
Why are pendulums not SHM?
Why are pendulums not SHM? Any pendulum undergoes simple harmonic motion when the amplitude of oscillation is small. The pendulum still oscillates, but the motion is no longer simple harmonic motion because the angular acceleration is not proportional to the negative of the angular displacement. What is the maximum displacement of a body in simple […]
How do you find the speed of light in cooking oil?
What are the two functions of the muscular system?
What are the two functions of the muscular system? The main function of the muscular system is movement. Muscles are the only tissue in the body that has the ability to contract and therefore move the other parts of the body. Related to the function of movement is the muscular system’s second function: the maintenance […]
Do Hurricanes have eyes?
Do Hurricanes have eyes? The most recognizable feature found within a hurricane is the eye. They are found at the center and are between 20-50km in diameter. It is actually the calmest section of any hurricane. The eye is so calm because the now strong surface winds that converge towards the center never reach it. […]
Is Climbing stairs good for knees?
Is Climbing stairs good for knees? Stair climbing benefits Both of these large muscle groups get a workout when you climb stairs. Your own weight is enough to make stair climbing a challenge. Stair climbing also benefits the knees indirectly by helping to manage your weight. By walking up steps for just five minutes, you […]
Does higher frequency mean better sound?
Does higher frequency mean better sound? The answer to this question is clearly no. You might suspect, that the higher the frequency, the louder we perceive a noise, but frequency does not tell us how loud a sound is. Intensity or loudness is the amount of energy of a vibration and is measured in decibels […]