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Artemon [7]
4 years ago
11

What is the working principle of lever​

Physics
1 answer:
Schach [20]4 years ago
4 0

Answer:

Explanation:

A lever is a simple machine made of three parts: two load arms and a fulcrum. Sometimes the two arms are referred to as the force arm and the load arm, to distinguish which arm is initiating movement.

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How long would it take for a rock falling 97.2 m/s to reach the ground from 100 meters
mote1985 [20]

Answer;

velocity(v) = 97.2 m/s ,

distance (S) = 100 m

determine time(t) = ?

  We know that,

               distance (S) = velocity(v) × time(t)

           So,      time (t) = distance ÷ velocity

                                   = 100 ÷ 97.2

                              <em>   t = 1.02 sec.</em>

<em>I hope this will help you.</em>

5 0
4 years ago
When sound is created it travels to the car through a
Rasek [7]

A sound wave is a longitudinal wave caused by vibrations and carried through a substance. The particles of the substance, such as air particles, vibrate back and forth along the path that the sound waves travel. Sound is transmitted through the vibrations and collisions of the particles.

This could maybe help you with your answer.

4 0
3 years ago
How far will you travel if you walk for 10.0 minutes at a speed of 1.50 m/s?
fredd [130]

Answer:

15

Explanation:

distance = speed × time.

7 0
4 years ago
Which type of macromolecules helps a cell brake down food?
velikii [3]

Answer:

Hope this helps you find the answer

Explanation:

Chemical Digestion of Carbohydrates, Proteins, Lipids, and Nucleic Acids. The chemical breakdown of the macromolecules contained in food is completed by various enzymes produced in the digestive system.

5 0
3 years ago
What activity in orienteering can improve a player's math skills?
erica [24]

homework

or just play some 2012 math game

6 0
3 years ago
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