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forsale [732]
3 years ago
8

If a turtle is hit by a boat and damage is done to its shell, is the injury able to heal? Identify the correct answer to this qu

estion and the correct names for the parts of the shell in the answer.
Physics
2 answers:
otez555 [7]3 years ago
8 0
The turtle's shell would be able to heal and it has two parts, the upper called the carapace and the lower called the plastron.
Zepler [3.9K]3 years ago
4 0

Answer:

Good question.

Explanation:

The turtles are very unique creatures. Their shells are very important to their life and society. The turtles have two main parts, the upper called the carapace and the lower called the plastron.

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You are standing in a moving bus, facing forward, and you suddenly fall forward as the bus comes to an immediate stop. the force
GalinKa [24]
The force that causes you to fall forward is Inertia.
5 0
2 years ago
The cylindrical tub of a dryer in a laundromat rotates counterclockwise about a horizontal axis at 41.5 rev/min as it dries the
frozen [14]

Answer:

\theta = 49.81^0

Explanation:

Given that:

\omega = 41.5 \ rev/min\\\\\omega = 41.5 *\frac{1}{60}* 2 \pi\\\\\omega = 4.45 \ rad/s\\\\\\diameter = 0.748 m

If we let the piece of the close lose contact at ∠θ;

Then ; from force balance;

we have:

\\\\mg sin \theta = \frac{mv^2}{r}\\\\sin \theta = \frac{2v^2}{dg}\\\\\theta = sin^{-1} (\frac{2v^2}{dg})

where;

v = \frac{\omega d}{2}\\\\v =  \frac{4.45 *0.748}{2}\\\\v = 1.6643\\\\v^2 = 2.77

Again:

\theta = sin^{-1}(\frac{2v^2}{dg})\\\\\theta = sin^{-1}( \frac{2*2.77}{0.74*9.8})\\\\\theta = 49.81^0

6 0
2 years ago
engineers who design battery operated devices suck as sell phones and MP3 players try to make them as efficient as possible. An
ICE Princess25 [194]
If the 5,500 J of sound and light is the ONLY useful output
from the phone, then the phone's efficiency is

                   (5,500J / 10,000J)  =  0.55  =  55% .

But the test engineer forgot one little minor almost insignificant detail.
As a test engineer myself, I'd say that he needs to turn in his laptop
and soldering iron, and think about changing his career to a job for
which he may be better suited, like 8 hours a day in a highway toll-booth.  

What about that little radio transmitter and receiver inside the phone,
that maintain digital RF communication with the nearest cell tower ?
Without that microscopic radio transceiver ... plus 30 or 40 apps
that are always running unless you shut them off ... the device in your
pocket is essentially a flat rock with one side that sometimes glows.
8 0
3 years ago
In a related practical activity, 2 litres of a gas were heated from 35 °C to 75 °C. If the pressure was kept constant, calculate
Pachacha [2.7K]

Answer:

2.26l

Explanation:

From the general gas equation:

P1V1/T1  = P2V2/T2

Since pressure remained constant we can say:

V1/T1  = V2/T2

so to convert to kelvin add 273 to both temperature values then we can say:

1 m^3= 1000 L

2l=0.002m^3

Then;

0.002/308=V/348

V=(0.002/308)348

Final volume=0.002259m^3

=2.6l(1 decimal place)

4 0
1 year ago
Which two processes are responsible for water's transfer of energy in the atmosphere and hydrosphere
Varvara68 [4.7K]
I found the Hydrolic system, im not sire if its helpful or not. I could only find that one, sorry if it doesn't help but I hope it does ^-^
3 0
3 years ago
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