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Snezhnost [94]
3 years ago
6

Homeostasis can require the control of many different variables in organisms. Homeostasis regarding internal body temperature is

very important for many organisms. How is this different among ectotherms and endotherms?
For the subject, this is regular science.
Someone please help me. I'll put brainlyest
Physics
1 answer:
12345 [234]3 years ago
4 0

Answer:

idk because idk

Explanation:

idk

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An X-Ray machine delivers a radiation dose of 5mRem/hr. at 3ft from the machine. How far will the X-Ray technician have to move
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4.7ft

Explanation:

Pls see attached file

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2 years ago
Energy resources that exist in limited amounts and, fonts used, cannot be replaced except over the course of millions of years a
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Energy resources that cannot be replaced are called "non-renewable" energy resources.
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Combustion reactions are also ________ reactions. A. nuclear B. exothermic C. endothermic D. spontaneous
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You are in charge of designing a movie stunt for a new Fast and Furious film. In this scene a stunt person has to jump from a br
blondinia [14]

Answer:

103.5 meters

Explanation:

Given that a stunt person has to jump from a bridge and land on a boat in the water 22.5 m below. The boat is cruising at a constant velocity of 48.3 m/s towards the bridge. The stunt person will jump up at 6.45 m/s as they leave the bridge.

The time the person will jump to a certain spot under the bridge can be calculated by using the formula below:

h = Ut + 1/2gt^2

since the person will fall under gravity, g = 9.8 m/s^2

Also, let assume that the person jump from rest, then, U = 0

Substitute h, U and g into the formula above

22.5 = 1/2 * 9.8 * t^2

22.5 = 4.9t^2

22.5 = 4.9t^2

t^2 = 22.5/4.9

t^2 = 4.59

t = \sqrt{4.592}

t = 2.143 seconds

From definition of speed,

speed = distance /time

Given that the boat is cruising at a constant velocity of 48.3 m/s towards the bridge, substitute the speed and the time to get the distance.

48.3 = distance / 2.143

distance = 48.3 * 2.143

distance = 103.5 m

Therefore,  the boat should be 103.5m away from the bridge at the moment the stunt person jumps?

3 0
3 years ago
The diagram shows the four primary steps in the production of work in a four-stroke heat engine.
Alika [10]

Answer:

D- Z, X, Y, W

Explanation:

Correct on edge

6 0
3 years ago
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