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3 years ago

How does the mitochondria help to maintain homeostasis for the cell?

Physics

1 answer:

Sergeu [11.5K]3 years ago

6 0

It extracts energy from food for the cell.

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To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine

Sindrei [870]

Answer: True.

Explanation:

A resistance force is also known as friction. And the efficiency of a machine is affected by friction.

A machine of lower efficiency has higher magnitude of friction than a machine of higher efficiency.

Therefore, To obtain the same resistance force, a greater force must be exerted in a machine of lower efficiency than in a machine of higher efficiency. This is true

7 0

4 years ago

A pipe branches symmetrically into two legs of length L, and the whole system rotates with angular speed ω around its axis of sy

andre [41]

Answer:

Check the explanation

Explanation:

Kindly check the attached images below to see the step by step explanation to the question above.

7 0

3 years ago

While on the moon, the Apollo astronauts enjoyed the effects of a gravity much smaller than that on

Ainat [17]

Answer:

1.628 $\frac{m}{sec^{2} }$

Explanation:

Anywhere in the universe, In a closed system, <u>Conservation of energy</u> is applicable.

In this case

Neil is initially on the surface of moon and has a velocity of 1.51 $\frac{m}{sec}$ in upward direction.

⇒He has Kinetic energy= $K_{i}$ = $\frac{1}{2} m{v^{2} }$ J

But with respect to the surface of the moon,

where m=mass of moon

v=velocity of Neil

He has Potential energy= $P_{i}$ =0 J

At the highest point of his jump, his velocity =0

⇒ Kinetic energy= $K_{f}$ =0 J

His Potential energy with respect to the surface of moon= $P_{f}$ = $m \times g\times h$

where m=mass of moon

g= gravitational acceleration on moon

h=height from moon's surface

By Conservation Energy Principle

$K_{i}$ + $P_{i}$ = $K_{f}$ + $P_{f}$

$K_{i}$ +0=0+ $P_{f}$

$\frac{1}{2} m{v^{2} }$ = $m \times g\times h$

$\frac{v^{2} }{2}$ = $g\times h$

$\frac{1.5^{2} }{2}$ J= $g\times 0.7 m$

⇒ g = $\frac{1.14}{0.7}$ = 1.628 $\frac{m}{sec^{2} }$

8 0

3 years ago

Which has more potential energy: an eraser 2 feet above your head or a brick 2 feet above your head?

Vika [28.1K]

The brick because it has more mass which means more potential energy

3 0

3 years ago

What are the main causes of the convention currents in the asthenosphere?

Tju [1.3M]

I think it is c density and temperature

8 0

4 years ago

Read 2 more answers