Show all your working out, including the equations you use. Don't forget to include the units for your answers. Kinetic Energy. Equation. Elastic Potential.

Q13. Read the extract and answer the question that follows. Gravitricity is developing a new technology to capture and store the excess power generated.

A force of 100 newtons is used to move an object a distance of 15 meters with a power of 25 watts. Find the work done and the time it takes to do the work. 13.

18 окт. 2024 г. · Get Power Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Download these Free Power MCQ Quiz Pdf and prepare for ...

If something has 'energy' it can make things happen. To speak in more scientific terms: Energy is the capacity of a system to perform work.

Core questions – Physic unit 1 – Energy. Questions. My answer. My answer. Answers. 1. What is a 'system'? An object or group of objects. 2 What can happen to ...

A crate of mass 50kg is pushed along a floor with a force of 20N for a distance of 5m. Calculate the work done. Solution: Use. WD = Fxd. = 20N x 5m. WD = 100Nm.

Work, energy and power. 8. 5.1 Key concepts. 8. 5.2 Drawing free body diagrams. 8. 5.3 Calculations / solving problems.

13 ) An engine generates a power of 10 kW. I how much time will it raise a mass of 200 kg through a height of 40 m ? ( a ) 4 sec.

10) How long does it take a 2.5 kW electric motor to do 75,000 J of work? 11) How much work can a 500 W electric mixer do in 2.5minutes? Kinetic and Potential ...