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const2013 [10]
3 years ago
8

Cardiovascular fitness can be measured by what?

Physics
1 answer:
12345 [234]3 years ago
5 0
VO2 max is considered to be the most valid measure<span> of </span>cardio respiratory fitness<span>. It </span>measures<span> the capacity of the heart, lungs, and blood to transport oxygen to the working muscles, and </span>measures<span> the utilization of oxygen by the muscles during exercise.</span>
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Object 1 has a mass of 3m and is moving to the right at a velocity of
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In a collision, the velocity change is always computed by subtracting the initial velocity value from the final velocity value. If an object is moving in one direction before a collision and rebounds or somehow changes direction, then its velocity after the collision has the opposite direction as before.

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I NEED HELP ASAP!!!!!!!!!!!! b) Contour lines represent areas of _________elevation
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A ball rolls onto the path of your car as you drive down a quiet neighborhood street. to avoid hitting the child that runs to re
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Since the acceleration of car is uniform so the distance traveled by car while brakes are applied is given by

d = \frac{v_f + v_i}{2}*t

given that

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5 0
3 years ago
A pendulum is made by letting a 2.0-kg object swing at the end of a string that has a length of 2.1 m. The maximum angle the str
just olya [345]

Answer:

The speed of the object at the lowest point in its trajectory is:

v=2.34\: m/s

Explanation:

We can use the conservation of energy between the maximum point of swing and the lowest point of the pendulum.

P=K

mgh=\frac{1}{2}mv^{2} (1)

Where:

  • h is the height of the object at 30° with the vertical.
  • v is the speed at the lowest point.

We can find h using trigonometry.

h=L-Lcos(30)=L(1-cos(30))

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Now, using equation (1) we can find v.

gh=\frac{1}{2}v^{2}

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v=\sqrt{2gh}

v=\sqrt{2(9.81)(0.28)}

v=2.34\: m/s

I hope it helps you!

8 0
2 years ago
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