Category: Physics

What force is needed to give a 2000 kg car? The net force needed is 4000 N . How long will it take to walk 10km? 90 minutes to two hours How many minutes is 25 miles? It is possible to go 25 miles on the interstate in 30 minutes. It can take anywhere from […]

What are 6 Non-renewable resources? Nonrenewable energy resources include coal, natural gas, oil, and nuclear energy. What is the best reason to use renewable resources? Environmental and economic benefits of using renewable energy include: Generating energy that produces no greenhouse gas emissions from fossil fuels and reduces some types of air pollution. Diversifying energy supply […]

How often do blue moons occur? How often does a blue moon happen? Normally blue moons come only about every two or three years. In 2018 unusually, we had two blue moons in one year and only two months apart – and one was a lunar eclipse! How many blue moons are there in 2020? […]

What is partial density states? The projected/partial density of states (PDOS) is the relative. contribution of a particular atom/orbital to the total DOS. First moment: The first moment is the center of gravity of PDOS. In other words, first moment is exactly the on-site energy. What is optical joint density of states? The optical joint […]

Does more water make plants grow faster? Water helps a plant by transporting important nutrients through the plant. With outdoor plants, you can’t control the plants getting too much water if your area gets a lot of rain, so you need to make sure that the soil has the proper drainage, because too much water […]

Which one would have more inertia 10 kg mass & 5 kg mass? Answer. Inertia is the measure of mass. More the mass more will be inertia. So the inertia of 10 kg mass is more than 5 kg mass. Which has more inertia a body of mass 1 kg or hundred kg? Answer. A […]

Which router is elected as the DR? Two rules are used to elect a DR and BDR: router with the highest OSPF priority will become a DR. By default, all routers have a priority of 1. if there is a tie, a router with the highest router ID wins the election. What will an OSPF […]

How far should wires be kept from the metal vent connector on a gas appliance? SIX INCHES Which one of the following is a reliable indicator of service amperage? White wires can sometimes act as black wires in 240 volt circuits. Which one of the following is a reliable indicator of service amperage? The answer […]

What is the difference between organ and organ system? An organ is a structure made of two or more tissues that work together for a common purpose. The most complex organisms have organ systems. An organ system is a group of organs that act together to carry out complex, interrelated functions, with each organ focusing […]

When a spoon is in a glass half full of water Why does the spoon look like it is broken in the middle? It is refraction due to which we saw spoon broken near water surface. 1. If you put a coin inside glass of water and view it from the top then coin appears […]