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2 years ago

What can you do to lower your carbon footprint?

Physics

2 answers:

mariarad [96]2 years ago

8 0

Answer:

buy what you need to reduce waste, eat organic foods. drive less when transporting try walking instead of using a car or train

Explanation:

Pie2 years ago

7 0

Food

Consume local and seasonal products (forget strawberries in winter)

Limit meat consumption, especially beef

Select fish from sustainable fishing

Bring reusable shopping bags and avoid products with excessive plastic packaging

Make sure to buy only what you need, to avoid waste

Clothing

Take good care of your clothes

Try swapping, borrowing, renting or buying second-hand

Buy responsibly-made clothes, e.g. made from recycled material or with an eco-label

Transport

Cycle or use public transport

Be smart about when and how you drive

Try the train for your next holiday

Energy and waste

Turn down the heating by 1°, it will already make a difference

Take short showers

Turn off the water while you brush your teeth or clean the dishes

Unplug your electronic equipment and don’t leave your phone on charge when the battery is already full

Select energy efficient products with an “A” label (EU Energy Label)

Limit and recycle your waste

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A mirror forms an image because of which behavior of light?

Sveta_85 [38]

The correct answer is refraction.

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3 years ago

7. A force of 100 N acting on a body gives it a speed of 200 m/s in 2

alekssr [168]

Answer:

Choice a. 1 kg, assuming that all other forces on the object (if any) are balanced.

Explanation:

By Newton's Second Law,

$\displaystyle a = \frac{\Sigma F}{m}$ ,

where

$a$ is the acceleration of the object in $\text{m}\cdot\text{s}^{-2}$ ,
$\Sigma F$ is the net force on the object in Newtons, and
$m$ is the mass of the object in kilograms.

As a result,

$\displaystyle m = \frac{\Sigma F}{a}$ .

Assume that all other forces on this object are balanced. The net force on the object will be $100\;\text{N}$ . The net force is constant. Acceleration should also be constant and the same as the average acceleration in the two seconds.

<h3>What is the average acceleration of this object?</h3>

$\displaystyle \begin{aligned}\text{Acceleration} &= \text{Average Acceleration}=\frac{\text{Change in Velocity}}{\text{Time Taken}}\end{aligned}$ .

$\displaystyle {a} = \frac{200\;\text{m}\cdot\text{s}^{-1}}{2\;\text{s}}=100\;\text{m}\cdot\text{s}^{-2}$ .

<h3>Apply Newton's Second Law to find the mass of the object.</h3>

$\displaystyle m = \frac{\Sigma F}{a} = \frac{100\;\text{N}}{100\;\text{m}\cdot\text{s}^{-2}} = 1\;\text{kg}$ .

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3 years ago

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You should always wear your seat belt just in case the car comes to an abrupt stop. The seat belt will hold you in place so that

Gwar [14]

Newtons 1st law of motion states that the object will continue to move at its present speed and direction until an outside force acts upon it.

So unless the objects inside the car are restrained, they will continue moving at whatever speed the car is traveling at, even if the car is stopped by a crash.

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3 years ago

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Given the 1-m stick shown below, which is held by a thread at its center. Block 1 is 15 N held at the 10 cm mark, while block 2

sattari [20]

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2 years ago

Consider a horse pulling a buggy. Is the

Degger [83]

Yes, it's true.

But 2nd Newton Law always come to play when the horse is to move forward because obviously the forces interact antagonistically and mass has to be accounted for.

That's what I think. Hope it's right, all the best.

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3 years ago