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3 years ago

Three 3-ohm resistors are connected in parallel. The total resistance for the resistors is

Physics

1 answer:

Anna11 [10]3 years ago

3 0

Explanation:

I think the total resistance of the resistors is 1 ohm . it is also known as equivalent resistance.

hope it helps.

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The metric system is now known as the international system of units. a. T b. F

inn [45]

The metric system is the oldest name for the international system of units. The answer is a. True. SI unit or the international systems of units are based on seven basic units; the meter, kilogram, second, ampere, Kelvin, candela and mole. All of these basic units are divided into multiples by a power of ten. For example in meters, 1 meter is equal to: 1000 millimeter, 100 centimeter, 10 decimeter, 0.1 decameter, 0.01 hectometer, 0.001 kilometer and so on and so forth.

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3 years ago

3. A fighter jet covers a distance of 895m while accelerating from 22m/s to 35m/s. How long (in

larisa86 [58]

Answer:

31.404 seconds

Explanation:

To answer this equation, SUVAT is your best option utilizing and rearranging the known values to solve for the unknown.

here we have the values for

s=895

u=22

v=35

t= the unknown value

in this instant the equation s=0.5 x (u+v)t is the best equation to use

so we sub in the known values

895=0.5 x (22+35)t

rearrange to solve for t

895=28.5t

895/28.5=t

t=31.404 seconds (rounded to 3 decimal places)

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3 years ago

An object is located 50 cm from a converging lens having a focal length of 15 cm. Which of the following is true regarding the i

crimeas [40]

Answer:

It is real, inverted, and smaller than the object.

Explanation:

Let's start by using the lens equation to find the location of the image:

$\frac{1}{q}=\frac{1}{f}-\frac{1}{p}$

where we have:

q = ? is the distance of the image from the lens

f = 15 cm is the focal length (positive for a converging lens)

p = 50 cm is the distance of the object from the lens

Solving the equation for q, we find

$\frac{1}{q}=\frac{1}{15 cm}-\frac{1}{50 cm}=0.047 cm^{-1}$

$q=\frac{1}{0.047 cm^{-1}}=+21.3 cm$

The sign of q is positive, so the image is real.

Now let's also write the magnification equation:

$h_i = - h_o \frac{q}{p}$

where

$h_i, h_o$ are the size of the image and of the object

By substituting p = 50 cm and q = 21.3 cm, we find

$h_i = - h_o \frac{21.3 cm}{50 cm}=-0.43 h_o$

So we notice that:

$|h_i| < |h_o|$ : this means that the image is smaller than the object

$h_i < 0$ : this means that the image is inverted

so, the correct option is:

It is real, inverted, and smaller than the object.

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3 years ago

what happens to the temperature of water in a cup when the average kinetic energy of the water particles decrease

Xelga [282]

Answer: Well the kinetic energy decreasesTherefore, the thermal energy of an object decreasesas its temperature decreases.

4 0

3 years ago

A chemical equation where the number of atoms of each element are the same on both sides. Coefficients are often needed to balan

rusak2 [61]

Answer:

A balanced equation

Explanation:

when atoms of various elements or compounds react, they do this in mole ratio. It is a law to always balance the number of elements of each element on the reactant side to the corresponding elements on the product side of the equation. This is done by the introduction of coefficients.

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3 years ago

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