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3 years ago

10

Which organelle is the powerhouse of the cell, the site of cellular respiration? A) 2 - nucleus B) 5 - endoplasmic reticulum C)

6 - Golgi bodies D) 9 - mitochondria

1 answer:

Paladinen [302]3 years ago

7 0

D) 9- mitochondria
Hope this helps :D

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A block with mass m = 0.450 kg is attached to one end of an ideal spring and moves on a horizontal frictionless surface. The oth

svetoff [14.1K]

Answer:

k = 26.25 N/m

Explanation:

given,

mass of the block= 0.450

distance of the block = + 0.240

acceleration = a_x = -14.0 m/s²

velocity = v_x = + 4 m/s

spring force constant (k) = ?

we know,

x = A cos (ωt - ∅).....(1)

v = - ω A cos (ωt - ∅)....(2)

a = ω²A cos (ωt - ∅).........(3)

$\omega = \sqrt{\dfrac{k}{m}}$

now from equation (3)

$a_x = \dfrac{k}{m}x$

$k = \dfrac{m a_x}{x}$

$k = \dfrac{0.45 \times (-14)}{0.24}$

k = 26.25 N/m

hence, spring force constant is equal to k = 26.25 N/m

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3 years ago

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The force of the added water produces a torque on the dam. In a simple model, if the torque due to the water were enough to caus

Fittoniya [83]

Answer:

The appropriate response is " $\tau=\frac{1}{6} PgLh^3$ ". A further explanation is described below.

Explanation:

The torque ( $\tau$ ) produced by the force on the dam will be:

⇒ $d \tau=XdF$

On applying integration both sides, we get

⇒ $\tau = \int_{0}^{a}x pgL(h-x)dx$

⇒ $= pgL\int_{0}^{h}(h-x)dx$

⇒ $=pgL[\frac{h^3}{2} -\frac{h^3}{3} ]$

⇒ $=\frac{1}{6} PgLh^3$

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2 years ago

Hey people text me at azieyafreeman2 at g mail dot com

butalik [34]

Answer:

ok

Explanation:

or zo0m meet??

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Consider a box sitting in the back of a pickup. The pickup accelerates to the right, and because the bed of the pickup is sticky

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The force would be coming from the right causing the box the lean/ slide to left, if it wasnt sticky.

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3 years ago

A 100-newton box is placed on a table. The table can exert a maximum normal force of 80 newtons. What will happen to the box?

myrzilka [38]

Answer:

D

Explanation:

Dddddddddddddddddd

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3 years ago