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Tanzania [10]
3 years ago
10

Which of the following does the endocrine system regulate??

Physics
2 answers:
Virty [35]3 years ago
7 0

Answer: Your answer would be A Hormones

Hope this helped XD

Bumek [7]3 years ago
4 0
It's A. hormones that your answer

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Two friends are having a conversation. Anna says a satellite in orbit is in freefall because the satellite keeps falling toward
Leno4ka [110]

Answer:

Anna is correct.

Explanation:

Anna is right as a satellite is in free fall because it keeps falling toward Earth, meaning that gravity is the only force acting on it. Tom is incorrect because an object does not have to accelerate at a certain speed to be considered to be in free fall. As long as gravity is the only force acting upon the object, it is considered to be in free fall.

4 0
3 years ago
Geologists apply various methods to study the layers of the Earth. Which of the following is NOT a method used to study the Eart
77julia77 [94]

Answer:

A. Scientists use seismic computer models to measure the atmospheric conditions above the Earth's crust

Explanation:

why would use atmosphere to study the layers of earth? dont think thats possible

8 0
3 years ago
A shot-putter released the shot at an angle of 41.5 degrees and a height of 1.9 m with an initial velocity of 13.3 m/s. How far
liq [111]

Answer:

x = 17.88[m]

Explanation:

We can find the components of the initial velocity:

(v_{x})_{o}  = 13.3*cos(41.5)=9.96[m/s]\\(v_{y})_{o}  = 13.3*sin(41.5)=8.81[m/s]

We have to remember that the acceleration of gravity will be worked with negative sign, since it acts in the opposite direction to the movement in direction and the projectile upwards.

g = - 9.81[m/s^2]

Now we must find the time it takes for the projectile to hit the ground, as the problem mentions that it does not impact on the board.

y=y_{o} +(v_{y} )_{o} *t-0.5*g*(t)^{2} \\0=1.9+(8.81*t)-(4.905*t^{2})\\-1.9=8.81*t*(1-0.5567*t)\\t=0\\t=1.796[s]

With this time we can calculate the horizontal distance:

x=(v_{x})_{o} *t\\x=9.96*1.796\\x=17.88[m]

3 0
3 years ago
A heat engine takes in 840 kJ per cycle from a heat reservoir. Which is not a possible value of the engine's heat output per cyc
zhannawk [14.2K]
We have by the first law of thermodynamics tha energy is preserved, hence we cannot have over 840kJ per cycle. We have by the laws of thermodynamics (the 2nd one in specific) that the entropy of a system cannot increase. We cannot have an output of  840 kJ per cycle from a heat engine because then that would mean that the entropy would stay the same, while any heat engine increases it. Hence, any value \geq 840 kJ is acceptable.
8 0
3 years ago
When rocks are put under stress, they may fold, causing ________ to form.
disa [49]
Faults are cracks on the ground that is caused by the movement of the plate tectonics.  They usually cause rocks to break. 

Anitclines and synclines form when rocks are also put under stress, but they fold, not necessarily break apart. They create sharp folds. 

Island arcs are formed through volcanic events and not rocks. 

Mid ocean ridges are formed when oceanic plates move apart.  

Looking at their differences, the answer to your question is B. 
3 0
3 years ago
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