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Romashka [77]
3 years ago
5

Which of the following calls one might hear a refree make?

Physics
2 answers:
NemiM [27]3 years ago
8 0
The answer is d all of the above
mestny [16]3 years ago
7 0

Answer: D) All of the above

Explanation:

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What is the meaning of inertia?
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Inertia is the property of all matter by which it tends to remain
in constant, uniform motion unless acted on by external force.
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Which force acts on the plane at a distance?
shutvik [7]

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gravity

Explanation:

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3 years ago
Resting energy expenditure is a. slightly higher than basal energy expenditure. b. the same as basal energy expenditure. c. slig
kvv77 [185]

Answer:

B. Resting energy expenditure is the same with basal energy expenditure.

Explanation:

Basal Energy Expenditure can be explained as the energy required to execute essential metabolic functions e.g. coordination of enzymatic reactions in the body system.

On the other hand, Resting Energy Expenditure can be simply explained as the amount of energy expended or burnt when the body is resting.

Hence, in the context of definitions, and relating both definitions, it can be argued that Basal energy expenditure is simply the energy needed to execute essential metabolic functions e.g. coordination of enzymatic reactions in the body, with special emphassy on the body being at rest. Thus, in this context, Basal energy can be looked at through the prism of Resting energy expenditure. Consequently, this two definitions can be used interchangeably, with a special emphassy on perspective.

6 0
4 years ago
In the first stage of a two-stage rocket, the rocket is fired from the launch pad starting from rest but with a constant acceler
AnnZ [28]

Answer:

3091.56

Explanation:

t = Time taken

u = Initial velocity

v = Final velocity

s = Displacement

a = Acceleration due to gravity = 9.81 m/s² (positive downward and negative upward)

s=ut+\frac{1}{2}at^2\\\Rightarrow s=0\times 25+\frac{1}{2}\times 3.5\times 25^2\\\Rightarrow s=1093.75\ m

Distance traveled in the first stage is 1093.75 m

v=u+at\\\Rightarrow v=0+3.5\times 25\\\Rightarrow v=87.5\ m/s

Velocity at the end of first stage is 87.5 m/s

v=u+at\\\Rightarrow a=\frac{v-u}{t}\\\Rightarrow a=\frac{132.5-87.5}{10}\\\Rightarrow a=4.5\ m/s^2

Acceleration of the second stage is 4.5 m/s²

s=ut+\frac{1}{2}at^2\\\Rightarrow s=87.5\times 10+\frac{1}{2}\times 4.5\times 10^2\\\Rightarrow s=1100\ m

Distance traveled in the second stage is 1100 m

v^2-u^2=2as\\\Rightarrow s=\frac{v^2-u^2}{2a}\\\Rightarrow s=\frac{0^2-132.5^2}{2\times -9.81}\\\Rightarrow s=894.81\ m

Distance traveled after the second stage has stopped firing is 894.81 m

Total height the rocket reached = 1093.75+1100+897.81 = 3091.56 m

3 0
3 years ago
Pa answer po plsssss​
tankabanditka [31]

Refer to the attachment

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3 years ago
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