In which situation is a person doing work on an object? Answer : When a person applies force and covers distance then the person is doing work on an object. What type of force causes a change in motion? Unbalanced forces cause a change in motion, speed, and/or direction. When two forces act in the […]
How many kW does it take to heat an unvented cylinder?
What is nervous system answer?
What is nervous system answer? The nervous system controls everything you do, including breathing, walking, thinking, and feeling. This system is made up of your brain, spinal cord, and all the nerves of your body. The nerves carry the messages to and from the body, so the brain can interpret them and take action. Why […]
What is one oscillation of a simple pendulum?
What is one oscillation of a simple pendulum? One oscillation of a simple pendulum is one complete cycle of swinging one way and then returning to its original starting position. How do you find the frequency of oscillation of a pendulum? How to analyze a pendulum in swing Determine the length of the pendulum. Decide […]
Can you see Venus in the sky?
What causes the GDP to decrease?
What causes the GDP to decrease? Any reduction in customer spending will cause a decrease in GDP. Customers spend more or less depending on their disposable income, inflation, tax rate and the level of household debt. Wage growth, for example, encourages more expensive purchases, leading to an increase in real GDP. What increases the GDP? […]
What would have resulted from the functions of prokaryotes on early Earth?
What would have resulted from the functions of prokaryotes on early Earth? The most appropriate answer would be option D. The first life appeared on earth was probably the prokaryotes. Some of them called cyanobacteria discovered the process of harnessing energy from the sun, that is, photosynthesis. The oxygen was released as the byproduct of […]
What is the pH of a 0.5 M solution of sodium hydroxide?
Why there is fall in temperature with altitude?
Why there is fall in temperature with altitude? As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands) and the temperature decreases. If the humidity is at 100 percent (because it’s snowing), the temperature decreases more slowly with […]
What is the best magnification for a magnifying glass?
What is the best magnification for a magnifying glass? An average magnifying glass makes objects look 2 or 3 times bigger, which means it magnifies 2X or 3X. Geologists often like to have 5X to 10X magnification; however, anything higher than 10X is difficult to use in the field because the lenses are too small. […]