2 years ago

Which if the following is an example of an element

Physics

1 answer:

belka [17]2 years ago

6 0

Answer:

Where's the question or the picture???

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If a woman weighs 125 lb, her mass expressed in kilograms is x kg, where x is

adelina 88 [10]

The first thing you should know to solve this problem is the conversion of pounds to kilograms:
1lb = 0.45 Kg
We can solve this problem by a simple rule of three
1lb ---> 0.45Kg
125lb ---> x
Clearing x we have:
x = ((125) / (1)) * (0.45) = 56.25 Kg.
Answer
her mass expressed in kilograms is 56.25 Kg.

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Kruka [31]

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.02

Explanation:

X-x/ Y-y= 4-0/200-0 =.02

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) Water falls from a height of 60m at the rate of 15kg/s to operate a turbine. The losses due to frictional force are 10% of ene

Angelina_Jolie [31]

Answer:

8100W

Explanation:

Let g = 10m/s2

As water is falling from 60m high, its potential energy from 60m high would convert to power. So the rate of change in potential energy is

$P = \dot{E} = \dot{m}gh = 15*10*60 = 9000 J/s$ or 9000W

Since 10% of this is lost to friction, we take the remaining 90 %

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3 years ago

How much force is required to accelerate a 12 kg mass at 5 m/s 2

Savatey [412]

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60 N

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This is just Newton's Second Law

F = m*a

F = ?

m = 12 kg

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2 years ago

If a pizza delivery guy declares himself the leader over the other pizza delivery people, he probably won't have many people obe

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3 years ago

Which if the following is an example of an element​

Which if the following is an example of an element