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3 years ago

Which statement describes something that should always be done at the end of a calculation?

2 answers:

8 0

Answer: C) Check that the numerical answer is reasonable and the units are what you expected.

Explanation: C is the answer because it’s makes the most sense ofc and u just have to read it over and think hard about the answer if u look on goggle they show ways to solve stuff like this and videos not saying u have to just helping you out.

Reika [66]3 years ago

5 0

Answer:

C) Check that the numerical answer is reasonable and the units are what you expected.

Explanation:

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A 103 kg horizontal platform is a uniform disk of radius 1.71 m and can rotate about the vertical axis through its center. A 68.

Andreyy89

Answer:

$I_{total}=220.64 kg*m^{2}$

Explanation:

The moment of inertia of the system is equal to the each population and the platform inertia so

Inertia disk

$I_{disk}=\frac{1}{2}*m_{disk}*(r_{p})^{2}$

Inertia person

$I_{p}=\frac{1}{2}*m_{p}*(r_{p})^{2}$

Inertia dog

$I_{d}=\frac{1}{2}*m_{d}*(r_{d})^{2}$

The Inertia of the system is the sum of each mass taking into account that all exert the force of inertia:

$I_{total}=I_{disk}+I_{p}+I_{d}$

$I_{total}=\frac{1}{2}*103kg*(1.71)^{2}+\frac{1}{2}*68.9kg*(1.09)^{2}+\frac{1}{2}*27.7kg*(1.45)^{2}$

$I_{total}=220.64 kg*m^{2}$

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3 years ago

In your every day life you come across a range of motion in which ,

alekssr [168]

A)acceleration is in the direction of motion

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3 years ago

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Alan and Monica tested how fertilizer X affected the growth of a plant. Alan and Monica put 100 grams of fertilizer X in pot 1.

BARSIC [14]

Answer:

a control group

Explanation:

In a scientific experiment such as the one above, there is an experimental group and a control group. The experimental group is the group that receives the treatment while the control group does not receive any treatment. The control group helps the researcher to observe if the treatment had any significant effect.

In this case, it will help Alan and Monica to determine if fertilizer X actually had an effect on the plant. Therefore, the pot with o grams of fertilizer in it is the control group.

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2 years ago

Describe all the characteristics of Earth that make it ideal for living creatures.

Lady_Fox [76]

Earths atmosphere, Temperature, Plant life and Oxygen I guess

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3 years ago

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A roller coaster has the most ____ energy at the top of a hill and the most ____ energy at the bottom.

scoray [572]

A is the correct answer

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2 years ago

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