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3 years ago

All organisms need energy to function. Which cell organelle provides this energy

2 answers:

8 0

Mitochondria is the cell organelle the provides energy to function it also helps in respiration .It is called also as the power house of the cell

RUDIKE [14]3 years ago

4 0

Mitochondria is the answer the nickname I have for it is that it's the "powerhouse"

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The drag force that resists the motion of a car traveling at 80 km h^- 1 is 300 N.

kobusy [5.1K]

The power require to keep the car traveling is 6,666 W.

The power of the engine at the given efficiency is 3,999.6 W.

<h3>What is Instantaneous power?</h3>

This the product of force and velocity of the given object.

The power require to keep the car traveling is calculated as follows;

P = Fv

$P = 300\ N \ \times \ \frac{80 \ kmh^{-1}}{3.6 \ km h^{-1}/m/s} \\\\
P = 300 \ N \times 22.22 \ m/s\\\\
P = 6,666 \ W$

The power of the engine at the given efficiency is calculated as follows;

$E = \frac{P_{out}}{P _{in}} \times 100\%\\\\
60\% = \frac{P_{out}}{6,666} \times 100\%\\\\
0.6 = \frac{P_{out}}{6,666} \\\\
P_{out} = 3,999.6 \ W$

Learn more about efficiency here: brainly.com/question/15418098

8 0

2 years ago

Which principle states that the net electrical force on a specific charge is equal to the sum of the vector components of the ch

Softa [21]

Answer:

C. The superposition principle

Explanation:

7 0

3 years ago

Read 2 more answers

At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 25.0 rad/s^2 until

Zolol [24]

Angle turned by the wheel is given by the kinematics as

$\theta = \omega t + \frac{1}{2}\alpha t^2$

now here we know that

$\omega = 26 rad/s$

$\alpha = 25 rad/s^2$

t = 2.50 seconds

$\theta = 26(2.50) + \frac{1}{2}(25)(2.50)^2$

$\theta = 143.1 rad$

So here total angle that the wheel turn is given as

$\theta = 143.1 + 440 = 583.1 rad$

Speed of the wheel after 2.5 s

$\omega = \omega_0 + \alpha t$

$\omega = 26 + (25)(2.5)$

$\omega = 88.5 rad/s$

now angular deceleration is given as

$\alpha_1 = \frac{\omega^2 - \omega_0^2}{2\theta}$

$\alpha_1 = \frac{0 - 88.5^2}{2(440)}$

$\alpha_1 = -8.9 rad/s^2$

time taken to stop

$t = \frac{\omega - \omega_0}{\alpha}$

$t = \frac{0 - 88.5}{-8.9} = 9.94 s$

now total time is given as

$T = 2.50 + 9.94 = 12.44 s$

5 0

3 years ago

Read 2 more answers

Briana swings a ball on the end of a rope in a circle. The rope is 1.5 m long. The ball completes a full circle every 2.2 s. Wha

schepotkina [342]

The radius of the circular path is 1.5 m.

The circumference is then
$1.5\ m*2\pi=3\pi\ m$

The ball moves 3π m every 2.2 s, so the speed is
$\frac{3\pi\ m}{2.2\ s}\approx 4.3\ m/s$

9 0

3 years ago

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Can anyone tell me what are vectors in physic and how can I solve them?

larisa [96]

Vectors are measurements which have direction as well as magnitude. You deal with them by resolving into horizontal and vertical components.

6 0

3 years ago