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Vadim26 [7]
3 years ago
9

What is the contour interval of this map? a. 20 feet b. -20 feet c. 60 feet 11​

Physics
1 answer:
timofeeve [1]3 years ago
8 0

Answer:

c. 60 feet is the correct answer

Explanation:

what is the contour interval of this map? a.20 b.-20 c. 60 feet 11

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A 4.8-kilogram ball moving at 8 m/sec to the right collides with a 1.4-kilogram ball at rest. After the collision, the 4.8-kilog
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The final velocity of the 1.4 kg ball is 11.0 m/s to the right

Explanation:

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p_i = p_f\\m_1 u_1 + m_2 u_2 = m_1 v_1 + m_2 v_2

where:

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u_1 = 8 m/s is the initial velocity of the first ball (taking right as positive direction)

v_1 = 4.8 m/s is the final velocity of the first ball

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u_2 = 0 is the initial velocity of the second ball  (it is at rest)

v_2 is the final velocity of the second ball

And solving the equation for v2, we find:

v_2 = \frac{m_1 u_1-m_1v_1}{m_2}=\frac{(4.8)(8)-(4.8)(4.8)}{1.4}=11.0 m/s

So, the 1.4 kg ball moves at 11.0 m/s to the right.

Learn more about momentum:

brainly.com/question/7973509

brainly.com/question/6573742

brainly.com/question/2370982

brainly.com/question/9484203

#LearnwithBrainly

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