WILL GIVE BRAINLIEST!! Please answer

Answer:

Self control

Explanation:

Self control involves individuals having a strong discipline towards certain conditions. The conditions could be cravings for something or other forms of activities.

Self control is usually developed by people who practice self-regulation through physical exercise and time-managed programs experience as they have been known to bring about an increase in it.

Answer:

number of Protons=16

number of Neutrons=16

number of electrons=32

Explanation:

Tip:-

Always the number of protons = the number of neutrons.

Add them and you will get the number of electrons.

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Answer:

t = 3.8 [s]

Explanation:

To solve this problem we must use the following equation of kinematics.

[tex]v_{f} =v_{o} -a*t[/tex]

where:

Vf = final velocity = 5 [m/s]

Vo = initial velocity = 13 [m/s]

a = desacceleration = 2.1 [m/s²]

t = time [s]

As we can see in the above equation the acceleration is negative because the car slows down its velocity.

5 = 13 - 2.1*t

2.1*t = 13 - 5

t = (8)/2.1

t = 3.8 [s]

Answer:  the difference between a Structure is from the Latin word structura which means "a fitting together, building." Although it's certainly used to describe buildings, it can do more than that and a In physical cosmology the inflationary epoch was the period in the evolution of the early universe when, according to inflation theory, the universe underwent an extremely rapid exponential expansion.

Explanation:

Answer:Δx=v0t + 1/2 at 2

Answer:

10km/s²

Explanation:

Given parameters:

Initial velocity  = 0km/s

Final velocity = 70km/s

Time  = 7s

Unknown:

Acceleration =?

Solution:

Acceleration is the rate of change of velocity with time.

It is mathematically expressed as;

      A = [tex]\frac{v - u}{t}[/tex]  

v is the final velocity

u is the initial velocity

 t is the time

       A  = [tex]\frac{70 - 0}{7}[/tex]   = 10km/s²

Answer:

C ( is hard to refuse in the situation if you have not decided how you would handle it ahead of time

B: because it is very likely you will face these situation in the future)

Answer:

I think it is b because when you do something to an object it moves

The kinetic energy of the toy car is 0.50 Joules.

Given the following data:

To find the kinetic energy of the toy car:

Kinetic energy is an energy that is possessed by a physical object or body due to its motion.

Mathematically, kinetic energy is calculated by using the formula;

[tex]K.E = \frac{1}{2} MV^2[/tex]

Where:

Substituting the given parameters into the formula, we have;

[tex]K.E = \frac{1}{2} \times 0.25 \times 2^2\\\\K.E = \frac{1}{2} \times 0.25 \times 4\\\\K.E =0.25 \times 2[/tex]

K.E = 0.50 Joules

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Answer:

of a moving object?

Any change of speed or direction requires a force. In other words, forces cause acceleration. The direction in which an object moves depends on the direction of the force that is applied to the object. If there is more than one force, the forces work together

Answer:

357KG

Explanation:

Answer:

The deceleration is  [tex]a = -0.7273 \ m/s^2[/tex]  

Explanation:

From the question we are told that

  The distance of the car from the crossing is [tex]d = 360 \ m[/tex]

   The speed is [tex]u = 16 \ m/s[/tex]

    The reaction time of the engineer is  [tex]t = 0.53 \ s[/tex]

Generally the distance covered during the reaction time is  

      [tex]d_r = u * t[/tex]

=>   [tex]d_r = 16 * 0.53[/tex]

=>   [tex]d_r = 8.48 \ m[/tex]

Generally distance of the car from the crossing after the  engineer reacts is

      [tex]D = d- d_r[/tex]        

=> [tex]D = 360 - 8.48[/tex]      

=> [tex]D = 352 \ m[/tex]

Generally from kinematic equation

      [tex]v^2 = u^2 + 2as[/tex]

Here v is the final velocity of the car which is  0 m/s

So

        [tex]0^2 = 16^2 + 2 * a * 352[/tex]

=>    [tex]a = -0.7273 \ m/s^2[/tex]  

Answer:

150 m/s²

Explanation:

Plz like

Answer:

150 m/s²

Explanation:

Answer:

40

Explanation:

1000 divided by 25 is 40

Answer:

[tex]{\boxed{ \underline{ \sf{Moment \: of \: force}}}}[/tex]

✎ A moment of force is a turning effect caused by a force.

♁ Explanation :

☄ When force is exerted on a body , it results either in displacement of the body or its rotation about a point or axis i.e the rotation of turning effect of force. The turning effect of force acting on a body about an axis is called moment of the force. It may be clockwise or anti - clockwise.

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Answer:

Sonia's grandfather was not able to see clearly after returning from his walk on a bright sunny day. He was about to hit a chair when Sonia held him and guided him to the nearby sofa, in sunny environment grandfather's eye is set according to high brightness, his pupils become small to lower the number of light rays entering his eye, when he returned from sunny environment to his house which was having low brightness so the pupils should enlarge to absorb more light to see clearly but due to old age his Ciliary muscle of the eye would have worn out and due to this poor coordination the image was not clear.

Answer:

Explanation:

Net work done on the box = increase in kinetic energy

= 1 / 2 x 10 ( 5² - 3² )

= 80 J .

Answer:

20.55 miles per hour (rounded to the nearest hundredth)

Explanation:

Divide 104 by 5.06

20.55335968379447

Round to the nearest hundredth

20.55

This can also be 20.6

If you round to the nearest tenth

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Answer:

83.34%.

Explanation:

Given that,

Lucy does 12,000 J of work on a machine to help her

The machine exerts a force of 500 N to lift the crate.

Height of the shelf = 20 m

We need to find the efficiency of the machine. The ratio of output work to the input work is called the efficiency of any machine. It is given by :

[tex]\eta=\dfrac{W_o}{W_i}\times 100\\\\=\dfrac{500\times 20}{12000}\\\\=83.34\%[/tex]

So, the efficiency of the machine is 83.34%.

Answer:

83%

Explanation:

just took quiz on connections acadmy

Answer:

Explanation:

net force on the skier = mg sin 39 - μ mg cos39

mg ( sin39 - μ cos39 )

= 73 x 9.8 ( .629 - .116)

= 367 N

impulse = net force x time = change in momentum .

= 367 x 5 = 1835 kg m /s

velocity of the skier after 5 s = 1835 / 73

= 25.13 m /s

b )

net force becomes zero

mg ( sin39 - μ cos39 ) = 0

μ = tan39

= .81

c )

net force becomes zero , so he will continue to go ahead with constant speed of 25.13 m /s

so he will have speed of 25.13 m /s after 5 s .

Answer:

6.266829864 g

Explanation:

Answer:

Its to make sure that the results are reliable.

If you make only one test, the person could have messed up so if there is a twin test, you know something is screwed up in the results so they know the try again and make sure they don't skrew up again.

Explanation:

Complete Question:

A student has been assigned to measure the density of an irregularly shaped piece of metal.

Which apparatus would be most appropriate to carry out this task?

Group of answer choices

A. ruler, balance

B. beaker, crucible

C. flask, Bunsen burner

D. graduated cylinder, balance

Answer:

D. graduated cylinder, balance

Explanation:

In this scenario, A student has been assigned to measure the density of an irregularly shaped piece of metal.

The apparatus which would be most appropriate to carry out this task is a graduated cylinder and balance.

A graduated cylinder can be defined as a measuring cylinder used for the measurement of the volume of an irregularly shaped piece of metal or liquids. It is typically marked with horizontal lines on its side as units of measurement for volume. The balance is then used to weigh the metals mass.

Answer:

In physics we call it power

Answer: (2): 25 N.

Explanation:

We know that two forces act concurrently on the same object.

One force has a magnitude of 30 N, so the first force can be written as:

F = (fx, fy) such that:

30N = √(fx^2  + fy^2)

And other force of 20 N, let's call it G.

G = (gx, gy)

Such that:

20 N = √(gx^2 + gy^2)

Now, the maximum possible resultant force is when both forces point in the same direction.

Then we can directly add them; G + F = 20N + 30N = 50N

And the minimum resultant force is when both forces point in opposite directions, then we can directly subtract: F - G = 30N - 20N = 10N.

Then the resultant force, F', will be:

10N ≤ F' ≤ 50N.

The only option in that range is the second option, (2) 25N.

The resultant force produced by the two concurrent forces is 50 N.

The given parameters;

Concurrent forces, are forces acting at a point and the resultant of such forces is a single force when acting alone will balance the effect of the concurrent forces.

[tex]F_3 = F_1 + F_2[/tex]

where;

[tex]F_3 = 30 \ N \ + \ 20 \ N\\\\F_3 = 50 \ N[/tex]

Thus, the resultant force produced by the two concurrent forces is 50 N.

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Answer:

position speed and direction

Explanation:

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Answer:

50C

Explanation:

Given parameters:

Electrical energy  = 350J

Potential difference  = 7V

Unknown:

Amount of charge = ?

Solution:

To solve this problem, use the expression below;

  E  = q x v

E is the electrical energy

q is the quantity of charge

v is the voltage

Insert the parameters and solve for q;

            350 = q x 7

            q = [tex]\frac{350}{7}[/tex]

             q = 50C

The value of the charge will be 50 C. A charge is something experienced as a force in the electric and megnetic field.

When the matter is put in an electromagnetic field, it has an electric charge, which causes it to experience a force. A positive or negative electric charge can exist.

Charges that are similar repel each other, whereas charges that are dissimilar attract each other. The term "neutral" refers to an item that has no net charge.

The given data in the problem is;

e is the electrical energy  = 350J

V  is the Potential difference  = 7V

q is the charge=?

[tex]\rm e = qV \\\\ \rm q=\frac{e}{V} \\\\ \rm q=\frac{350 }{7} \\\\ \rm q= 50 \ C[/tex]

Hence the value of the charge will be 50 C.

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Answer:

The concentration of a solution is a measure of the amount of solute that has been dissolved in a given amount of solvent or solution. A concentrated solution is one that has a relatively large amount of dissolved solute. A dilute solution is one that has a relatively small amount of dissolved solute.

Explanation: