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The horizontal acceleration of the rock 2 is zero.

The given parameters;

initial velocity of Rock 1 = 0

initial horizontal velocity of Rock 2 = 5 m/s

An object falling under the influence of gravity experiences acceleration due to gravity which is always directed vertically downwards.

An object moving horizontally is not affected by gravity and thus will experience no acceleration in the horizontal direction.

Thus, we can conclude that the horizontal acceleration of the rock 2 is zero.

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Speed=

[tex]33m {s}^{ -1} [/tex]

Distance=

[tex]163m[/tex]

speed= distance/time

So,

Time= distance/speed

Time= 163/33

[tex]\huge\underline\mathtt\colorbox{cyan}{4.9393s}[/tex]

Answer:

3. B. Decreases

4. A. Increases

5. A. Repel

Answer:

Explanation:

55m/s

Answer:

Yea I believe so

Explanation:

Answer:

Elements in the same period have the same number of electron shells; moving across a period (so progressing from group to group), elements gain electrons and protons and become less metallic. This arrangement reflects the periodic recurrence of similar properties as the atomic number increases.

Explanation:

The Periodic Table can predict the properties of new elements, because it organizes the elements according to their atomic numbers. ... They hope that the two nuclei at the centre of these atoms will fuse and form a heavier nucleus. When these heavy elements form, they are usually highly unstable.

Answer:

increase

Explanation:

I did the question

[tex]\\ \sf\longmapsto I=\dfrac{Q}{t}[/tex]

[tex]\\ \sf\longmapsto Q=It[/tex]

[tex]\\ \sf\longmapsto Q=0.0016(3600)[/tex]

[tex]\\ \sf\longmapsto Q=5.76C[/tex]

Answer:

Characterization is the process by which the writer reveals the personality of a character. Characterization is revealed through direct characterization and indirect characterization. Direct Characterization tells the audience what the personality of the character is.

Explanation:

Mood, or atmosphere, is the feeling created in the reader by a literary work or passage. ... Often, a writer creates a mood at the beginning of a work and then sustains the mood throughout. Sometimes, however, the mood of the work changes dramatically.

Answer:

Thermal energy may be transferred in three ways: conduction, convection, and radiation. Conduction occurs when heat energy is exchanged between nearby molecules that are in touch with one another.

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It will take 1 second to reach the final velocity

Acceleration of a body is the change in velocity of the body with respect to time. This is mathematically represented as;

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

Given the following parameters

a =  +4.0 m/s²

u = +0.20m/s

v = +4.2m/s

Substitute the given parameters into the formula to get the time "t"

[tex]4=\frac{4.2-0.2}{t}\\4t=4.2-0.2\\4t=4.0\\t=\frac{4}{4}\\t=1sec[/tex]

This shows that it will take 1 second to reach the final velocity

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Answer: 11.43 sec

solution:

v2 – u2 = 2as

a = (v2 – u2)/2s

= (0 – 352)/(2 × 200)

= –1225/400

= –3.06 m/s2  

v = u + at

0 = 35 – 3.06 × t

t = 35/3.06

 = 11.43 sec

Answer:

Originally :  Level = log I / I0

Currently: Level = 10 log I / I0

Level = 10 log 600 = 10 * 2.78 = 27.8

Note the term 1 bel = 10 decibels

Answer:Anything that has mass also has gravity. Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is.

Explanation:

Answer:

d and a

Explanation:

The embryo's cells grow larger in size, and the embryo's cells take in water and nutrients. The correct options are A and D.

The two processes that occur when the sea urchin embryo matures, according to the information presented, are:

The embryo's cells grow in size: During the embryo's growth and development, individual cells divide and grow in size, contributing to the organism's total growth.

The embryo's cells actively take in water and nutrients from the surrounding environment: As the embryo grows, its cells actively take in water and nutrients from the surrounding environment to support metabolic processes and offer the essential resources for growth and development.

Thus, choices A and D represent the proper processes that occur while the sea urchin embryo develops.

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Answer:

tell me if im wrong

Explanation:

ok and thaks sa points

Answer:

Speed and direction.

Explanation:

When an object accelerates, its velocity changes. Velocity is often thought of as an object's speed with a direction. Thus, objects accelerating are either speeding up, slowing down or changing directions.

The coefficient of friction between the soap and the floor is 0.081

If Juan steps on the soap with a force of 493 N, this is her weight, W. This weight also equals the normal reaction on the floor, N.

We know that frictional force F = μN where μ = coefficient of friction between soap and floor.

So, μ = F/N

Since F = 40 N and N = W = 493 N,

μ = F/N

μ = 40 N/493 N

μ = 0.081

So, the coefficient of friction between the soap and the floor is 0.081

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Answer:

Consider a satellite with mass Msat orbiting a central body with a mass of mass MCentral. The central body could be a planet, the sun or some other large mass capable of causing sufficient acceleration on a less massive nearby object. If the satellite moves in circular motion, then the net centripetal force acting upon this orbiting satellite is given by the relationship

Fnet = ( Msat • v2 ) / R

Explanation:

The acceleration of the satellite released from a spacecraft orbiting a planet at an altitude of 120 km and the planet has a mass of 5.2 x 10^23 kg and a radius of 2800 km is 4.426 *  [tex]10^6[/tex]  [tex]m/s^2[/tex].

The term "acceleration" refers to the rate and direction at which velocity varies over time. Acceleration is the change in direction or speed of an object or points moving ahead. The frequent change in direction causes motion on a circle to rise even when the speed remains constant.

For all other motions, these effects increase the acceleration. A vector quantity, acceleration, is something that has both a magnitude and a direction. Velocity is a vector quantity as well.

Given:

The altitude of the spacecraft, h = 120 km,

The mass of the planet, m = [tex]5.2 * 10^{23}[/tex] kg,

The radius of the planet, r = 2800 km.

Calculate the acceleration by the formula given below,

A = [tex]G* m /r^2[/tex]

Here, A is the acceleration, G is the gravitational constant,

Substitute the values,

A = 6.674 * [tex]10^{-11}[/tex] *5.2 * [tex]10^{23}[/tex] / [tex]2800^2[/tex]

A = 4.426 *  [tex]10^6[/tex]  [tex]m/s^2[/tex]

Therefore, the acceleration of the satellite is 4.426 *  [tex]10^6[/tex]  [tex]m/s^2[/tex]

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Answer:

I don't understand that language. This brainly is english.

Explanation:

The vector addition and kinematics of uniform motion allows to find the result for where the starting point is:

Given parameters

To find

Velocity is a vector magnitude, therefore it has direction and module, to make the addition of these magnitudes vector algebra must be used.

There are two methods for adding vectors:

In the attached we can see a diagram of the displacement of this ship. We use a Cartesian reference system and using trigonometric to decompose the velocities.

First speed

            cos 123 = [tex]\frac{v_1_x}{v_1}[/tex]  

            sin 123 = [tex]\frac{v_1_y}{v_1}[/tex]  

            v₁ₓ = v₁ cos 123

            [tex]v_{1y}[/tex] = v₁ sin 123

            v₁ₓ = 21.1 cos 123 = -11.49 mph

            [tex]v_{1y}[/tex] = 21.1 sin123 = 17.70 mph

Second speed

            v₂ₓ = v₂ cos 190

            [tex]v_{ 2y}[/tex] = v₂ sin190

            v₂ₓ = 18.2 cos 190 = -17.92 mph

            [tex]v_{2y}[/tex] = 18.2 sin190 = -3.16 mph

Now we can use kinematics of uniform motion.

            v = [tex]\frac{d}{t}[/tex]  

             d = v t

Where v is the velocity, d the distance and t the time

Let's find every distance traveled.

For first speed

x-axis

         x₁ = v₁ₓ t₁

         x₁ = -11.49  3.20

         x₁ = - 36,768 miles

y-axis  

         y₁ = [tex]v_{1y} \ t_1[/tex]

        y₁ = 17.70 3.20

        y₁ = 56.64 miles

Travel for 2nd speed

       x₂ = v₂ₓ t₂

       x₂ = -17.92 1.10

       x₂ = -19,712 miles

       y₂ = -3.16 1.10

       y₂ = - 3,476 miles

Let's find the distance traveled on each axis

x-axis

    [tex]x_{total}[/tex] = x₁ + x₂

    [tex]x_{total}[/tex] = -36,768 - 19,712

     [tex]x_{total}[/tex] = -56.48 miles

y-axis

     [tex]y_{total}[/tex] = y₁ + y₂

     [tex]y_{total}[/tex] = 56.64 - 3.476

     [tex]y_{total}[/tex] = 53,164 miles

Let's construct the total displacement vector, for the module let's use the Pythagorean theorem

       [tex]d_{total} = \sqrt{x^2 +y^2} \\d_{total} = \sqrt{56.48^2 +53.164^2}[/tex]

       [tex]d_{total}[/tex] = 77,565 miles

Let's used trigonometry for the direction

      [tex]tan \theta ' = \frac{y_{total} }{ x_{total} } \\\theta ' = tan^{-1} \frac{y_{total} }{ x_{total} }[/tex]  

      θ’= 43.3º

This angle is in the second quadrant to indicate the angle with respect to the positive side of the x-axis in a counterclockwise direction.

   θ = 180 - θ'

    θ = 180 - 43.3

   θ = 136.7º

In conclusion using the addition vectors and kinematics of uniform motion we can find the result for where the starting point is:

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Answer: 1. .090km/h

2. I dont know

3. 1560

Explanation:

1. add all the numbers up and divide by 3 bc thats how many numbers there are.

2. I dont know

3. add all distances up

Answer:

here you go

Explanation:

Why do your lights actually come on almost instantaneously? ... Wiring the house in parallel does not make a difference – there is no current flowing through the light bulb when the switch is off no matter how the house is wired. If there were a current already, the light would be on!

Answer:

The diagram shows a net 2 N  in the north direction and 2 N in the east direction - this would result in (4 + 4)^1/2 to the northeast.

Answer:

people can determine if what they read agrees with other information they know is true.

Explanation:

edge 2021

Answer:

B. Is correct

Explanation:

Answer:

Option D

Explanation:

There are two types of mixtures

The mixture in which one type of substances are present is called homogeneous mixture.

The mixture on which different types of substances are present is called heterogeneous mixture.

Answer:

As ambient air pressure decreases, molecules evaporating from a boiling liquid meet less resistance from air molecules and enter the air more easily. Because the vapor pressure can be reduced, the temperature needed to boil the liquid is also reduced.

Explanation:

Answer:

Less force pushes down on the liquid, making it easier for gas to escape.

Explanation:

I hope this helps and have a great day!

Answer:

C. The net force acting on it.