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dedylja [7]
3 years ago
7

50 POINTS!! HOW DO THIS PLEASE IM SO CONFUSED

Physics
1 answer:
aliya0001 [1]3 years ago
8 0

Hope this helps!
Please give Brainliest!

This is all about reflection.
So my theory on this is that you have to look at the checklist:
L : Location
O : Orientation
S : Size
T : Type

Answer the questions ( by questions I mean the LOST questions, where they ask you to choose on of the options. For example, for ‘T’ you have to choose as to whether it is ‘real or virtual’ ) by using the diagram below:

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HELP!! ALL MY POINTS WILL BE GIVEN
Marta_Voda [28]

Answer:

-6 m/s^2

Explanation:

30 - 90 = -60

-60 / 10 = -6

If acceleration was constant, it will be -6 m/s^2

5 0
2 years ago
Read 2 more answers
Need some help please
11Alexandr11 [23.1K]

Answer:

x^2\neq -\frac{5}{13}

First option

Explanation:

<u>Operations with functions </u>

Given two functions f, g, we can perform a number of operations with them including addition, subtraction, product, division, composition, and many others .

We have

f(x)=20x^3-7x^2+3x-7

g(x)=-13x^2-5

We are required to find

\displaystyle \frac{f}{g}(x)

We simply divide f by g as follows

\displaystyle \frac{f}{g}(x)=\frac{20x^3-7x^2+3x-7}{-13x^2-5}

We know rational functions may have problems if the denominator can be zero for some values of x. We must find out if there are such values and exclude them from the domain of the new-found function. We must ensure

-13x^2-5\neq 0

or equivalently

x^2\neq -\frac{5}{13}

Thus the first option is correct

Note: Since x^2 is always a positive number (for x real), our function does not really have any restriction in its domain

8 0
3 years ago
A car is moving at a constant speed of 14 m/s when the driver presses down on the gas pedal and accelerates for 14 s with an acc
Vinil7 [7]

acceleration of car is 1.8 m/s^2

time = 14 s

initial speed = 14 m/s

so the final speed is calculated by

v_f = v_i + at

v_f = 14 + 14 * 1.8

v_f = 39.2 m/s

so the total distance moved in this interval of time is

d = \frac{v_f + v_i}{2}* t

d = \frac{39.2 + 14}{2}* 14

d = 372.4 m

now the average speed is given as

v = \frac{d}{t}

v = \frac{372.4}{14}

v = 26.6 m/s

so the average speed will be 26.6 m/s

7 0
3 years ago
Which device transforms electrical energy to mechanical energy
Nonamiya [84]
Examples of devices that convert electrical energy into mechanical energy — in other words, devices that use electrical energy to move something — include:

the motor in today’s standard power drills
the motor in today’s standard power saws
the motor in an electric tooth brushes
the engine of an electric car
the motor in a fan
the motor in a remote control cars that runs on batteries. So your answer would be B. Motorsport
5 0
3 years ago
Read 2 more answers
By what factor will the electric force between two charged objects change if the charge on both objects is quadrupled
USPshnik [31]
D.16 with working shown below with respect to Coulomb’s law.
3 0
4 years ago
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