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m_a_m_a [10]
3 years ago
13

The Northern Hemisphere has summer when...

Physics
1 answer:
bearhunter [10]3 years ago
7 0
D. All of the Above : The upper hemisphere (northern hemisphere) earth tilting toward the sun will cause the upper parts of the earth to experience greater warmth. As well as all the other aspects aid in that
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A wave has a period of 2s and a wavelength of 5m. What is the speed of the wave?
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Answer:

10m per Second

Explanation:

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3 years ago
Two carts, A and B, are connected by a spring and sitting at rest on a track. Cart A has a mass of 0.4 kg and Cart B has a mass
Ilya [14]

Both carts experience the same force but Cart A has a greater speed after the recoil.

The given parameters;

  • <em>Mass of the cart A = 0.4 kg</em>
  • <em>Mass of the cart B = 0.8 kg</em>

Apply the principle of conservation of linear momentum to determine the velocity of the carts after collision;

m_Av_0_A\ + m_Bv_0_B = m_Av_f_A \ + m_Bv_f_B\\\\the \ initial \ velocity \ of \ both \ carts = 0\\\\0.4(0) + 0.8(0) = 0.4v_f_A + 0.8v_f_B\\\\0 = 0.4v_f_A + 0.8v_f_B\\\\0.4v_f_A = -0.8v_f_B\\\\v_f_A= \frac{-0.8 v_f_B}{0.4} \\\\v_f_A = - 2 \ v_f_B \ \ m/s

According to Newton's third law of motion, action and reaction are equal and opposite. The force exerted on cart A is equal to the force exerted on cart B but in opposite direction.

F_A = -F_B

Thus, the correct statement that compares the motion and forces acting on the two carts is "Both carts experience the same force but Cart A has a greater speed after the recoil."

Learn more about conservation of linear momentum here: brainly.com/question/7538238

6 0
2 years ago
Finish the sentence
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1. Equal and opposite reaction

2. Pairs

3. That is equal

Explanation:

I have tried my best but without knowing your curriculum or the possible answers it is difficult to know exactly what the answer would be... :(

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- Hope this helped!

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You are on the roof of a building, 46.0 m above the ground. Your friend, who is 1.80 m tall, is standing next to the building. W
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a.) 866 m/s

beacues

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The gold-like mineral in the metamorphic rock pictured below is known as pyrite. When pyrite is exposed to air and water it can
andreyandreev [35.5K]

Answer: C. Chemical Weathering

Explanation:

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3 years ago
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