3 years ago

Which of the following level of organization is smaller than the cell?

Physics

1 answer:

vodomira [7]3 years ago

5 0

Atoms.

rest consists of huge number of cells.

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If the velocity of a body changes from 13 m/s to 30 m/s while undergoing constant acceleration, what's the average velocity of t

Ronch [10]

Since the acceleration is constant, the average velocity is simply the average of the initial and final velocities of the body:

$v_{avg} = \frac{v_f+v_i}{2}=\frac{30 m/s+13 m/s}{2}=21.5 m/s$

We can proof that the distance covered by the body moving at constant average velocity $v_{avg}$ is equal to the distance covered by the body moving at constant acceleration a:

- body moving at constant velocity $v_{avg}$ : distance is given by

$S=v_{avg}t = \frac{v_f+v_i}{2}t$

- body moving at constant acceleration $a=\frac{v_f-v_i}{t}$ : distance is given by

$S=v_i t+ \frac{1}{2}at^2 = v_i t + \frac{1}{2}\frac{v_f-v_i}{t}t^2=(v_i+\frac{1}{2}(v_f-v_i))t=\frac{v_f+v_i}{2}t$

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Jobisdone [24]

Answer:

d: mutualism

Explanation:

I'm guessing that means they're on mutual grounds so they don't mind sharing?

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3 years ago

Is energy transformation from potential to kinetic 100%?

Arada [10]

Yes. take a bow for instance. while pulling back the string you have potential energy. when you let the string go and the arrow flies towards your target the string is filled with kinetic energy.

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If the force on an object is in the negative direction, the work it does on the object must be:.

Inga [223]

Answer:

The work could be either positive or negative, depending on the direction the object moves

Explanation:

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A 6.00-kg crate slides down a ramp from rest. The ramp is 1.00 m in length and inclined 30.0° above the horizontal. The crate ex

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