Advertisements
Advertisements
प्रश्न
Is kinetic energy a scalar or a vector physical quantity?
एका वाक्यात उत्तर
Advertisements
उत्तर
Energy is a scalar quantity.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
When do we say that work is done?
Explain briefly why the work done by a fielder when he takes a catch in a cricket match is negative.
Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.
What is the SI unit of work?
Give two examples of work done.
Distinguish between work and power.
Name the type of energy possessed by a moving bullet.
A moving object of mass 30 kg has 60 J of kinetic energy. What is its speed?
List any six forms of energy and write a short note on each of them.
What is power? How do you differentiate kilowatt from kilowatt-hour? The Jog Falls in Karnataka state are nearly 20 m high. 2000 tonnes of waterfalls from it in a minute. Calculate the equivalent power if all this energy can be utilized? (g = 10 m s–2)
