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RUDIKE [14]
3 years ago
13

You arrive in my class 45 seconds after leaving math which is 85 meters away. How fast did you travel?

Physics
1 answer:
levacccp [35]3 years ago
7 0
Speed = 85/45
units m/s
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What is the proper way to start a fire?
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estion: Why is it important to use vector quantities and not just scalar quantities to describe the motion of an object? Vector
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3 years ago
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timurjin [86]
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3 years ago
Which object will have the most potential energy?
Svetradugi [14.3K]

Answer:  the most potential energy ==  5 kg book, 2 m from the ground= 98 Joules

Explanation:

potential energy = m g h

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g = acceleration due gravity  = 9.8 m/s²

h = distance above  ground

1.  Pe₁ = 1 kg x 2 m x g  = 2 g

2. Pe₂ = 5 kg x 2 m x g = 10 g = 10 kg m x 9,8 m/s² = 98 Joules

3. Pe₃ = 1 kg x 0,5 m x g = 0,5 g

4. Pe₄ = 5 kg x 0.5 m x g = 2,5 g  

10 > 2,5 > 2 >0,5

5 0
3 years ago
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