What is the work done to increase the velocity of a car from 36 km HR?

What is the work done to increase the velocity of a car from 36 km HR?

u = 36 km h^-1 = 10 m s^-1, v = 72 km h^-1 = 20 m s^-1, W = ? The work done is positive.

What is the work that must be done to increase the velocity?

Explanation: Work done = Change in kinetic energy.

What work is said to be done to increase the velocity of a car from 15 km per hour to 30 km per hour?

∴ Work done =337500 Joule.

How much work is to be done to increase the velocity of a car from 18 km/hr to 90 km HR if the mass of the car is 2000 kg?

What is the work done to increase the velocity of a car from 18km/h to 90km/h if the mass of car is 2000 kg. = 6×105J. So, the work done is 6 x 105 J.

What should be done to increase the number of trees?

Answer

1. Plant more trees.
2. Cutting of trees should be regulated.
3. Being cut down by using less paper.

Why should be done to increase the number of trees?

By planting more trees. Trees are the lungs of this planet in that they convert carbon dioxide into oxygen and release that into the atmosphere. We ALL need oxygen to live. It also increased wildlife to the area and what a dull place it would be without birdsong or wildlife to catch a glimpse of.

How do I get involved in planting trees?

Here are a few ways you can help global reforestation:

1. PLANT ONE TREE. Every dollar plants one tree.
2. FUNDRAISE. Create your fundraiser to make a bigger impact with friends and family.
3. JOIN A COMMUNITY. Sign-up to become a One Tree Planted tree ambassador and help us get more trees in the ground.

Why should we plant more trees to save our earth?

Planting trees for the environment is good as they are renewable, biodegradable and recyclable. If we plant 20 million trees, the earth will get with 260 million more tons of oxygen. During photosynthesis, trees and other plants absorb carbon dioxide and give off oxygen. Trees keep in cheek the air and water pollution.

Why do humans need trees?

Trees are vital. As the biggest plants on the planet, they give us oxygen, store carbon, stabilise the soil and give life to the world’s wildlife. Not only are trees essential for life, but as the longest living species on earth, they give us a link between the past, present and future.

How can we save our Mother Earth?

Ten Simple Things You Can Do to Help Protect the Earth

1. Reduce, reuse, and recycle. Cut down on what you throw away.
2. Volunteer. Volunteer for cleanups in your community.
3. Educate.
4. Conserve water.
5. Choose sustainable.
6. Shop wisely.
7. Use long-lasting light bulbs.
8. Plant a tree.

What is our Mother Earth?

Mother Nature (sometimes known as Mother Earth or the Earth Mother) is a personification of nature that focuses on the life-giving and nurturing aspects of nature by embodying it, in the form of the mother.

Which ethics you should follow to show respect to Mother Earth?

There are many ways available to show the respect to Mother Earth. Recycle plays one of the most significant roles in respecting our mother earth. Along with this, everyone should use the reusable water bottles rather than plastics.

How can we save Earth 5 lines?

120 words on Save Earth

1. Earth is the only planet in the entire universe where life is possible.
2. It provides us with useful water and oxygen for life.
3. It is full of natural resources.
4. We must protect the earth to survive.
5. We can protect it by protecting the environment and natural resources.

How can we save our earth five lines?

10 Lines on Save Earth

1. We live on planet earth.
2. We get air, water, food, shelter, and everything from mother earth.
3. We should save our earth from environmental issues such as pollution and Global warming.
4. We should keep the earth green by planting trees, and save earth’s resources by reusing and recycling old items.

How we can save water in one line?

25 ways to save water

1. Check your toilet for leaks.
2. Stop using your toilet as an ashtray or wastebasket.
3. Put a plastic bottle in your toilet tank.
4. Take shorter showers.
5. Install water-saving shower heads or flow restrictors.
6. Take baths.
7. Turn off the water while brushing your teeth.
8. Turn off the water while shaving.

What are 10 ways to save water class3?

Here are 10 ways you can teach your kids to conserve and reuse plain water.

1. Be aware and spread awareness.
2. Take quick showers.
3. Fix any leaky taps at home.
4. Use one utensil for drinking water.
5. Don’t fill up a water cup to the brim.
6. Don’t pour excess drinking water in the sink.
7. Wash fruits in a bowl of water.
8. Collect rainwater.

How can we check wastage of water?

To help you get started, we’ve compiled a list of 14 things to do in your life to reduce water waste.

1. Thrift and mend your clothes.
2. Install low-flow fixtures.
3. Turn off the tap while washing your face, brushing your teeth and shaving.
4. Aerate your lawn.
5. If it’s yellow, let it mellow.
6. Save leftover ice.
7. Get a rain barrel.