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lakkis [162]
3 years ago
13

Kepler’s first law states that the orbits of planets are ellipses with the Sun at one ____.

Physics
2 answers:
Katena32 [7]3 years ago
8 0

The correct answer is focus

oee [108]3 years ago
4 0
The answer is focus.
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9. How much work is done when a 15kg box is lifted to a height of 2 meters?
torisob [31]

Answer: W = 294 J

Explanation: Solution:

Work is expressed as the product of force and the distance of the object.

W = Fd        where F = mg

W= Fd

   = mg d

   = 15 kg ( 9.8 m/s²) ( 2m )

   = 294 J

5 0
3 years ago
A block of cheese is sliding up an inclined surface that is not smooth.
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Answer:

I cant fit the entire picture but this should help

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An athlete is working out in the weight room. He steadily holds 50 kilograms above his head for 10 seconds. Which statement is t
ludmilkaskok [199]
Answer: the true statement form the given statements is “the athletes is not doing any work because he does not move weight”

7 0
3 years ago
What two things affect the density of Water?
nikdorinn [45]
The temperature of the water and the and the salinity of water
5 0
3 years ago
A concave lens has a focal length of -31 {cm}. Find the image distance and magnification that results when an object is placed 2
kolezko [41]

Answer:

The value is v  =  440 \  cm

and  

 m  =  16

Explanation:

From the question we  are told that

    The image  distance is  v  =  29 \  cm

    The focal length is f =  -31 \  cm

From the lens equation we have that

      \frac{1}{f}  =  \frac{1}{v}  - \frac{1}{u}

=>    \frac{1}{-31}  =  \frac{1}{v}  - \frac{1}{29}

=>     v  =  450 \  cm

Generally the magnification  is  

      m  =  \frac{v}{u}

=>    m  =  \frac{ 450}{29}

=>    m  =  16

7 0
3 years ago
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