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pishuonlain [190]
3 years ago
13

Help me with this question.

Physics
1 answer:
san4es73 [151]3 years ago
7 0

Answer:

<em>huh? sorry i can</em><em>'</em><em>t read perfectly:((</em>

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Rank the objects below in order from smallest to largest, where 1 is the smallest and 5 is the largest. local group of galaxies
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1. earth
2. solar system
3. milky way galaxy
4. local group of galaxies
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3 years ago
Energy transformations that involve one transformation from one type of energy to another are called...............transformatio
iragen [17]

Answer:

It is called single transformation

8 0
3 years ago
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A cyclist turns a corner with a radius of 50m at a speed of 10m/s. What is the cyclist's acceleration?
miv72 [106K]

2m/s²

Explanation:

Given parameters:

Radius = 50m

Speed = 10m/s

Unknown:

Acceleration of the cyclist

Solution:

The acceleration of the cyclist is directed inside of the corner because his motion is inward. This is a form of centripetal acceleration;

Centripetal acceleration is given by;

     a = \frac{v^{2} }{r}

v is the velocity

r is the radius

   a =  \frac{10^{2} }{50} = 2m/s²

learn more:

Acceleration brainly.com/question/3820012

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3 0
3 years ago
Ben helped his parents load boxes and furniture onto the moving truck. He easily carried several boxes out of the house and up a
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D) because the refrigerator was much heavier than the other objects
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if a car engine does 600,000 J of work over a 500m distance and the mass of the car is 250Kg then what is the final velocity of
drek231 [11]

Given that

Work = 600,000 J ,

distance(S) = 500 m ,

mass (m) = 250 Kg ,

Determine the velocity of car (v) = ?

                 We know that,

                                Work = Force × distance

                               => Force = Work ÷ distance

                                              = 600,000 ÷ 500

                                              = 500 N .

                   Also Force F =  m.a  ; from Newtons II law

                                      500 = 250 × a  

                                             a = 2 m/s.

<em>Final Velocity from the given  formula </em>

                                     V² = u² + 2.a.s

                                         = 0 + 2 × 2 × 500

                                         = \sqrt{2000}

                                    <em>   v = 44.7 m/s</em>

8 0
3 years ago
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