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zhuklara [117]
3 years ago
12

Just wondering if I did this right

Physics
1 answer:
Kisachek [45]3 years ago
5 0

Yeah

All they are all correct

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your answer is.

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Where do we consider the Universal Gravitational Constant?
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A anywhere in the universe

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A man has a weight of 100 Newtons. How much work is done if he climbs 4meters up a ladder?
Aliun [14]

Answer:

400 J

Explanation:

Work is done when a force that is applied to an object moves that object.

The work is calculated by multiplying the force by the amount of movement of an object

W = F * d

here the man has to work against the gravitational field. (against his weight)

F =100 N

Work done =  F * d

                   =   100 * 4

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7 0
4 years ago
Three resistors are connected in parallel. If placed in a circuit with a 12-volt power supply. Determine the equivalent resistan
Ivan

(a) The equivalent resistance of three parallel resistors is (R₁R₂R₃)/(R₁R₂ + R₁R₃ + R₂R₃).

(b) The total circuit current is 12/R.eq.

(c) The voltage drop across and current in each resistor is IR₁, IR₂ and IR₃.

<h3>Equivalent resistance of three parallel resistors</h3>

The equivalent resistance of three parallel resistors is calculated as follows;

  • Let the first resistor = R₁
  • Let the second resistor = R₂
  • Let the third resistor = R₃

\frac{1}{R_{eq}} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_2}\\\\R_{eq} = \frac{R_1R_2R_3}{R_1R_2 + R_2R_3 + R_1R_3}

<h3>Total Circuit Current </h3>

The total circuit current is calculated as follows;

V = IR

I= \frac{V}{R_{eq}} = \frac{12 \ V}{R_{eq}}

<h3>Voltage drop in each resistor</h3>

Voltage drop in resistor 1 = IR₁

Voltage drop in resistor 2 = IR₂

Voltage drop in resistor 3 = IR₃

Learn more about parallel circuit here: brainly.com/question/80537

#SPJ1

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The purpose of teaching high levels of math is to filter out students who lack logical intelligence
Pachacha [2.7K]
Answer: False I think that is worded weird tho
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3 years ago
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