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steposvetlana [31]
3 years ago
8

Convert 41.3 kilocalories into joules.

Physics
1 answer:
LiRa [457]3 years ago
3 0

Explanation:

41.3 kilocalories = 172 799.2 joules

hope \: it \: will \: help

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By which method does heat travel from the sun to Earth? A. Conduction B. Convection C. Evaporation D. Radiation
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radiation

Explanation:

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Which are uses of fiber optics? Check all that apply.
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What kind of force will move an object from its rest resting ? A. inertial B. balanced C. unbalanced D. along a straight line
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4 years ago
The step-down transformer gives a current of 10A at 24v if the primary voltage is 240v calculate the
Zepler [3.9K]

You probably do this as a DC circuit which is not quite correct, but it will get you an answer. The study is a great deal more complicated.

Problem One: Secondary Power.

W = E * I

E = 10 A

I = 24V

W = 24 * 10

W = 240 Watts.

Here's the thing you have to know. These transformers are 100% efficient (or are assumed so). So whatever wattage is in the secondary, it is the same as that in the primary.

Primary Power = Secondary Power

Secondary Power = 240 Watts

Primary Power = 240 Watts

W = E * I

E = 240 volts

W = 240 watts

I = W/E = 240 / 240

I = 1 Amp. Answer Part One

Part Two

Answered above. 240 watts.

Part Three

Answered above. 240 watts.

Secondar

7 0
3 years ago
an force of 5N is applied to a 10 kg object over a time of 3s. Determine the impulse applied to the object ​
ddd [48]

Answer:

15Ns

Explanation:

Given parameters:

Mass of the object  = 10kg

Force impact  = 5N

Time of action  = 3s

Unknown:

Impulse applied on the object  = ?

Solution:

Impulse is the force that acts on object within a period of time.

 Mathematically;

             Impulse  = Force x time

Now insert the parameters and solve;

           Impulse  = 5 x 3 = 15Ns

7 0
3 years ago
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