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77julia77 [94]
3 years ago
9

what percentage of North American adults may be functioning below their potential due to prolonged exposure to stress

Physics
1 answer:
Yuliya22 [10]3 years ago
6 0
I believe the percentage is between 15-20%. Stress is a well known factor that affects the performance of people.
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A 1.50 3 103 - kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s. Assume that air resistance remains const
nexus9112 [7]

Answer:

Explanation:

let force exerted by engine be F.Net force =( F-400)N, applying newton law

     F-400 = 1.5 x 10³x18 =27000 ,

F = 27400 N.

velocity after 12 s  = 0 + 18 x 12 = 216 m/s

Average velocity = (0 + 216 )/2 = 108 m/s

Average power = force x average velocity = 27400 x 108 = 29.6 10⁵ W .⁶

b) At 12 s , velocity = 216 m/s

Instantaneous power = velocity x force = 216 x 27400 = 59.2 x 10⁶ W.

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3 years ago
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lbvjy [14]

Answer:

They both rises to same height.

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Here the height is independent on the mass of an object and its only depend on velocity.

Now according to the question, two objects have same velocity but they have different masses.

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The summary of the given statement is explained below throughout the explanation segment.

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