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Studentka2010 [4]
3 years ago
7

A good example of kinetic energy would be_____.

Physics
1 answer:
cestrela7 [59]3 years ago
4 0

Answer:

B.) a stretched rubber band

Explanation:

-

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1. Starting today. I will now change my behavior/s like ______________ because _________________
Ostrovityanka [42]

Answer:

be mature, it's the only way to be called independent, I will help my parents with doing chores, you will meet new friends

Explanation:

it's just my own understanding

6 0
3 years ago
Read 2 more answers
If a 0.200-kilogram ball sits on a shelf 2.00 meters from the floor, how much mechanical energy (me) does it possess? More than
iogann1982 [59]

Answer:

Mechanical energy  = 3.92 J

exactly 3.92 j

Explanation:

As we know that mechanical energy is sum of kinetic energy and potential energy of the system

so here we can say that mechanical energy is sum of kinetic energy of ball and its potential energy

Since ball is at rest so kinetic energy of the ball must be ZERO

Now for potential energy we know that

U = mgh

now we know

m = 0.2 kg

h = 2 m

now for potential ene'rgy

U = (0.20)(9.8)(2)

U = 3.92 J

so mechanical energy is given as

Mechanical Energy = 3.92 + 0 = 3.92 J

5 0
3 years ago
What should students do before inserting the plug of an electrical device into a socket?
Neporo4naja [7]

Explanation:

They should make sure the area is dry

4 0
3 years ago
Kung hatiin sa tatlong pangkat ng 72 na bata isang bata mayroon sa bawat pangkat desisyon sentence​
podryga [215]

Answer:

ewan ko papano bato pukinag ina

Explanation:

gagu ka kase putangina mo

8 0
3 years ago
An automobile which set the world record for acceleration increase speed from rest to 96 km/h in 3.07 seconds what distance trav
Vesnalui [34]

Answer:

41.02m

Explanation:

Given parameters:

Initial velocity = 0m/s

Final velocity  = 96km/hr

Time taken  = 3.07s

Unknown:

Distance traveled by the time the final speed was achieved = ?

Solution:

To solve this problem, we first find the acceleration of the car;

     Acceleration  = \frac{v - u }{t}

v is the final velocity

u is the initial velocity

t is the time taken

  Now convert the the final velocity to m/s;

          96km/hr to m/s;

               1 km/hr  = 0.278m/s

               96km/hr  = 96 x 0.278 = 26.7m/s

Now;

 Acceleration  = \frac{26.7 - 0}{3.07}   = 8.69m/s²

So;

   v²  = u²  + 2as

v is the final velocity

u is the initial velocity

a is the acceleration

s is the distance

             26.7²  = 0²  + 2 x 8.69 x s

             712.89  = 17.38s

                  s  = 41.02m

3 0
3 years ago
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