Which of the following does not use an internal combustion enginea. a cannonb. a lawnmowerc. a windmilld. a car

Physics

2 answers:

lara31 [8.8K]3 years ago

6 0

The windmill does not use a combustion engine.

damaskus [11]3 years ago

3 0

Answer:

c) a Windmill

Explanation:

A lawn mower may have a two stroke or a 4 stroke internal combustion engine.

Wind mill is a device that runs with wind. When wind blows, wings of the wind mill rotate. Wind mills are used to generate electricity. It is a renewable source of energy that requires large farms or open space for their establishment and maintenance.

In a cannon gun powder is ignited , not with the help of an engine , but a different method for its ignition.

You might be interested in

8. Main Idea How do animals reproduce?

Gnoma [55]

Answer: Many multicellular animals like fishes, mammals, birds, etc. reproduce through sexual reproduction process. Even reproduction in domestic animals also occurs through the sexual process. Domestic animals (pets or farm animals) are an essential part of our life. MARK AS BRAINLIST PLZ

Explanation:

3 0

2 years ago

Read 2 more answers

What is a vernier caliper used for?

iris [78.8K]

me ajudem por favor pra agora de noite

5 0

3 years ago

A person must pull a rope 20 meters with a force of 200 N what is the work input?

tatiyna

Work done = force * distance
work done = 200 * 20
work done = 4000J

4 0

3 years ago

A transfer of charge is actually a gross movement of

son4ous [18]

A transfer of charge is actually a gross movement of electrons. Charged objects have a normal or "balanced" state. This state is balanced in a sense of positive charges (protons) and negative charges (electrons). When an object has an excess of deficiency of electrons, it will try to regain its balance by releasing or accepting electrons.

5 0

3 years ago

Read 2 more answers

A convex security mirror has a radius of curvature of 12.0 cm. What is the magnification of a pare 3.0 m from the mirror?

Makovka662 [10]

Answer:

magnification will be -0.025

Explanation:

We have given the radius of curvature = 12 cm

And object distance = 3 m

So focal length $f=\frac{R}{2}=\frac{12}{2}=6cm$