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Bess [88]
3 years ago
14

In the problem below, what is the student showing?

Physics
1 answer:
Phantasy [73]3 years ago
6 0

Answer:

S<em>tudent showing the volume of cube</em>

                      V = a³

                       if a = 3 cm

  Then volume is a³ = 3 ×3 × 3

                                 = 27 cm³

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A stone is dropped from a cliff and falls 9.44 meters. What is the speed of the stone when it reaches the ground?
Lunna [17]

Answer:

option A

Explanation:

given,                                              

height of the drop of stone = 9.44 m

speed of the stone = ?                          

As the stone is dropped the energy of the stone will be conserved.

using conservation of energy.            

Potential energy = Kinetic energy    

m g h = \dfrac{1}{2} m v^2  

     v = \sqrt{2gh}                  

     v = \sqrt{2\times 9.8 \times 9.44}

     v = \sqrt{185.024}              

            v = 13.60 m/s                      

Hence, the correct answer is option A

3 0
3 years ago
Since the coefficient of friction is less than 1, what does that mean about the normal force and the force of friction?
ludmilkaskok [199]

Answer:

there is friction between the two things

Explanation:

7 0
2 years ago
Which of the following describes a role of gravity in the formation of our solar system?
Black_prince [1.1K]
I think the answer is A because it is gravity that caused the planets to form and start orbiting around the nearest star which is the sun
5 0
3 years ago
Read 2 more answers
Will give 30 points!!!
AysviL [449]
The answer is C I believe
8 0
2 years ago
Read 2 more answers
Sound travels through water at a speed of 1500 m/s. If the frequency of a sound is 1000 Hz, what is the wavelength?
ratelena [41]

Answer:

1.5m

Explanation:

Velocity=1500m/s

Frequency=1000hz

Wavelength =velocity ➗ frequency

wavelength =1500 ➗ 1000

Wavelength=1.5m

3 0
3 years ago
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