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makkiz [27]
4 years ago
15

During resistance exercise, muscles are __________. A. working against a force B. repeatedly contracted C. concerted in movement

D. all of the aboveImproving muscular strength and endurance slows bone density loss.
Physics
1 answer:
ExtremeBDS [4]4 years ago
3 0

Answer:

the answer is A. working against a force

Explanation:

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A wave is a _____<br> that carries ____<br> from one place to another.
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Releasing the clutch pedal reapplies the clamping force and reconnects the engine and transmission by firmly clamping the clutch
Luden [163]

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Preassure plate

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I hope you find this information useful and interesting! Good luck!

8 0
4 years ago
A rock is rolling down a hill. At position 1, it’s velocity is 2.0 m/s. Twelve seconds later, as it passes position 2, it’s velo
mr Goodwill [35]

Answer

Hi,

correct answer is {D} 3.5 m/s²

Explanation

Acceleration is the rate of change of velocity with time. Acceleration can occur when a moving body is speeding up, slowing down or changing direction.

Acceleration is calculated by the equation =change in velocity/change in time

a= {velocity final-velocity initial}/(change in time)

a=v-u/Δt

The units for acceleration is meters per second square m/s²

In this example, initial velocity =2.0m/s⇒u

Final velocity=44.0m/s⇒v

Time taken for change in velocity=12 s⇒Δt

a= (44-2)/12  = 42/12

3.5 m/s²

Best Wishes!

5 0
3 years ago
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