How much work is done on a 200 kg crate that is hoisted 2m in a time of 4s? PHYSICS TEST 1 Question Answer how much work is done on a 100 kg crate that is hoisted 2m in a time of 4s 100 x 10N = 1000 x 2m = 2000j How much power […]
What happens to two charged objects as the distance between them increases?
What happens to two charged objects as the distance between them increases? In electrostatics, the electrical force between two charged objects is inversely related to the distance of separation between the two objects. Increasing the separation distance between objects decreases the force of attraction or repulsion between the objects. Electrostatic force and distance are inversely […]
When 4 ohm wire is doubled on it calculate the new resistance?
What happens when air parcel rises?
What happens when air parcel rises? The air parcel expands as it rises and this expansion, or work, causes the temperature of the air parcel to decrease. As the parcel rises, its humidity increases until it reaches 100%. When this occurs, cloud droplets begin forming as the excess water vapor condenses on the largest aerosol […]
Can intercept of a line be zero?
Which of the following is a man-made source of pollution?
Which of the following is a man-made source of pollution? Thus, the correct answer is option ‘Burning of fossil fuels’. What percentage of air pollution is man-made? Averaged worldwide, anthropogenic aerosols—those made by human activities—currently account for approximately 10 percent of our atmosphere. Increased levels of fine particles in the air are linked to health […]
Que es la acustica ejemplos?
¿Qué es la acustica ejemplos? La acústica (del griego ἀκούω ‘oír’) es una rama de la física interdisciplinaria que estudia el sonido, infrasonido y ultrasonido, es decir ondas mecánicas que se propagan a través de la materia (tanto sólida como líquida o gaseosa) (no pueden propagarse en el vacío) por medio de modelos físicos y […]
Where does most of the energy on Earth originate?
Where does most of the energy on Earth originate? the sun Why would all life on Earth die if there were no plants? Without plants, animals would have no oxygen to breathe and would die. People also depend on plants for food. All animals eat either plants or plant-eating animals. Without plants there would be […]
Why do we need Lagrangian?
Why do we need Lagrangian? One of the attractive aspects of Lagrangian mechanics is that it can solve systems much easier and quicker than would be by doing the way of Newtonian mechanics. You can also modify the Lagrange equations pretty easily as well if you want to account for something like a driving or […]
How does temperature affect current flow?
How does temperature affect current flow? Temperature affects how electricity flows through an electrical circuit by changing the speed at which the electrons travel. This is due to an increase in resistance of the circuit that results from an increase in temperature. Likewise, resistance is decreased with decreasing temperatures. Which way does current flow through […]