Why is physics important to everyone? Describe 5 applications of physics in everyday life.

Physics

1 answer:

Sedaia [141]3 years ago

4 0

1. Communication

In early ages people were using letters to communicate between them. Now days instantly we can call one person from anywhere, these are based on optical fiber communication and it is an application of physics.

2. Transportation

We can travel from place to anther place by aeroplane , these technologies are introduced after advancement in physics.

3. Construction

Earlier people used to stay in small houses, now days apartments with many number of storeys are built by considering all the forces coming on the structure.

4. Medical Department

The invention of many equipment increased the health of humans.

5. Weather forecasting

The prediction of weather considering all the available factors, prediction of natural disasters all are application of physics.

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A piece of toast weighing 8 grams is flying through the air at 15

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The kinetic energy of toast is 0.06 J.

<u>Explanation:</u>

Kinetic energy is the way to determine the energy released when an object is in motion. In other times, it can be the energy required to move any object and to make it in motion.

As the mass of the toast is given as 8 g and speed is given as 15 m/s, if we ignore the friction caused by air molecules. Then the kinetic energy is the product of mass and square of velocity.

K.E. = $\frac{1}{2}$ × mass × v²