Category: Physics

What is the significance of RMS value? The RMS value is the effective value of a varying voltage or current. It is the equivalent steady DC (constant) value which gives the same effect. For example, a lamp connected to a 6V RMS AC supply will shine with the same brightness when connected to a steady […]

What is used to measure mass? Scientists measure mass with a balance, such as a triple beam balance or electronic balance. In science, the volume of a liquid might be measured with a graduated cylinder. What should be weight as per height? Weight and height guide chart Height Weight 5ft 2″ (62″) 104 to 131 […]

What are the salient features of groups? 8 Important Features of a Group It consists of two or more persons who interact with each other. Group members have reciprocal influence on each other. In groups, people develop mutual perceptions and emotional ties with each other. What is group and its types? Groups largely define how […]

Can I get good at math? Studies show being good at math is a matter of hard work just as much, if not more, than innate talent. You can become good at math simply by dedication. Take time each day to practice math until the concepts start to click for you. You should also work […]

How does a thermos keep the liquid inside of it warm? A thermos is a bottle with a double-walled container inside of it. The air between the two walls is sucked out during construction, creating a vacuum. Instead of containing some kind of heating element to keep hot things hot, a thermos is designed to […]

How much is a ton of White Rock? Landscape Rock Pricing by Type Rock Type Price Crushed Stone, Rock, Shells $50 – $65 per ton $40 – $55 per cubic yard White $10 – $20 per bag $500 – $1,200 per pallet Mexican Beach Pebble $20 – $30 per bag Granite $50 – $70 per […]

What type of process is combustion? Combustion is a chemical process in which a substance reacts rapidly with oxygen and gives off heat. The original substance is called the fuel, and the source of oxygen is called the oxidizer. The fuel can be a solid, liquid, or gas, although for airplane propulsion the fuel is […]

Can we use both of them? “Both” implies “Both of them.” They are interchangeable in English among native speakers. They can be interchangeable but it may depend on the context. Q: Do you want David or John to join us? A: Both of them. How do you use both correctly? When we use both as […]

Is 50 reps too much? Each body is different so there is no wrong answer but just make sure you get those 50 reps. Doing 50 or more reps will guide you in your cardio training as well. This workout is especially good for sports dealing with anaerobic activity that stresses explosive movements and sprints. […]

What is mean by free fall a ball is dropped from the roof of a building it takes 10 seconds to reach the ground find the height of the building? A ball is dropped from the roof of a building. It takes 10 seconds to reach the ground. While considering an object in a freefall, […]