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Scorpion4ik [409]
2 years ago
12

Proper use of the friction zone makes it easier to:.

Physics
1 answer:
yulyashka [42]2 years ago
4 0

Friction is the opposition offered to the movement of a surface on another and depends on the nature of the surfaces in contact.

<h3>What is friction?</h3>

The term friction refers to the opposition that is offered by surfaces in contact when they move over each other. The question is incomplete but I will try to help you the much I can.

Now recall that fricton only depends on the nature of the surfaces in contact. The friction is te reason when heat is provides in the moving parts of machines.

Learn more about friction: brainly.com/question/15117038

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What steps are involved in converting potential energy to kinetic energy, or kinetic energy to potential energy?
Ray Of Light [21]

Explanation:

Potential energy is the energy obtained by an object due to the position of an object. Whereas kinetic energy is the energy obtained by an object due to its motion.

For example, an ball is placed over a building of height h. Then steps followed to covert its potential energy into kinetic energy are as follows.

Step 1: When ball is at placed over a building of height h, then it has only potential energy and no kinetic energy.

Step 2: A man pushes the ball and it moves in the downward direction.

Step 3: When ball starts to move or fall it gains kinetic energy, that is potential energy now becomes equal to 0.

Similarly, on reaching the ground and after bouncing a few times when it stop moving then kinetic energy converts into potential energy.

7 0
3 years ago
PLEASE HELP, I am desperate. This part of the presentation I am completely lost with. It is STEP 6, I got the rest finished.
yKpoI14uk [10]

Answer:

Explanation:

Ok, pick some idea from here

https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=10&ved=2ahUKEwjWoLaFypvnAhUowlkKHXZrCMkQFjAJegQIBBAB&url=https%3A%2F%2Fwww.wappingersschools.org%2Fcms%2Flib%2FNY01001463%2FCentricity%2FDomain%2F1552%2FGravity.ppt&usg=AOvVaw1N8kqPWy6ERpA3LNbbepit

5 0
3 years ago
A stone fell from the top of a cliff into the ocean. In the air, it had an average speed of 161616 \text{m/s}m/sstart text, m, s
givi [52]

Answer: It takes the stone 7seconds in air and 5seconds in water

Explanation: complete question: How long did the stone fall in air and how long did it fall in the water?

total distance = sum of velocity * time for both legs of the journey;

let the time taken in air be t

hence time taken in water is 12-t

127 = 16*t + 3(12-t)

127 = 16t + 36 - 3t

127 - 36 = 16t - 3t

91 = 13t

t = 91/13 = 7 seconds 

Hence time taken in air = 7 seconds

time taken in water is 12 - 7 = 5 seconds

 

6 0
3 years ago
Read 2 more answers
Before proceeding into an intersection at a green signal, you should look out for:
Valentin [98]
B is correct but I’m not sure
6 0
3 years ago
Read 2 more answers
A wire of Nichrome (a nickel-chromium-iron alloy commonly used in heating elements) is 1.3 m long and 1.6 mm2 in cross-sectional
fredd [130]

Answer: 1.3 *10^6 Ω*m

Explanation: In order to explain this problem we have to use the following expression for the resistence:

R=L/(σ*A) where L and A are the length and teh area for the wire, respectively. σ is the conductivity of teh Nichrome.

Then, from mteh OHM law we have V=R*I so R=V/I=2/3.2=0.625 Ω

Finally we have:

σ=L/(R*A)=1.3/(0.625*1.6*10^-6)=1.3*10^6 Ω*m

5 0
3 years ago
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