5) Match the following.

The tension on the hitch that connects the trailer to the car is 160 N.

From the information provided;

Initial velocity = 0 m/s (the car started from rest)

Final velocity = 11 m/s

Time taken = 28 s

From the formula;

a = v - u/t

a = 11 - 0/28 = 0.39 ms-2

The force that acts on the trailer  = tension in the hitch that connects the trailer to the car

Force = mass × acceleration

Force = 410 kg × 0.39 ms-2

Force = 160 N

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Answer: D

Explanation: Potential stores Kinetic Energy so, Point C will have Kinetic turned into Potential.

Answer: the answer is D

Explanation:

Speech choirs are performance groups that recite speeches in unison, often with elements of choreography and costuming to help bring the speech to life. Much like musical choirs, dynamic -- volume -- range, expression and accurate coordination of syllables are all important for a successful performance.

Answer:

which wave sound wave or water wave

Answer:

by movement of the bones of the middle ear and by differences in the surface area of the eardrum versus the oval window.

Explanation:

Answer:

write the name of any five districts of nepal

Answer:

2.4A

Explanation:

I = Q/t

I = 24/10

= 2.4A

THREE IS THE ANSWER

HOPE THIS HELPS

Answer:

3

Explanation:

Answer:

Putter

Explanation:

I looked it up. It said golf club but putter is the same thing I believe. :)

Answer:

pitching or sand wedge

Explanation:

his club can also be used to get out of sand traps.

Answer:

Explanation:

The kinetic energy of an object can be found by using the formula

[tex]k = \frac{1}{2} m {v}^{2} \\[/tex]

m is the mass

v is the velocity

From the question we have

[tex]k = \frac{1}{2} \times 1000 \times {26}^{2} \\ = 500 \times 676 \\ = 338000[/tex]

We have the final answer as

Hope this helps you

Vector is perpendicular to x axis or i component.

Hence i component is 0

j component is 63.5

[tex]\\ \sf\longmapsto \overrightharpoon{A}=0\hat{i} +63.5\hat{j}[/tex]

Answer:

Joel has the faster speed.

Explanation:

Joel has a steeper slope on the graph. The steeper a slope is, the faster speed will be. Therefore, Joel's slope is steeper which increases overall speed.

Explanation:

The precision of a balance is ±0.02 g.

The accepted value for a measurement is 26.86 g.

So,26.87 g is correct

Answer:

The hill is a total of 150 meters tall

Explanation:

30×5=150

Answer:

The object will contine to fall, but at a constant velocity.  There will be no more acceleration.

Explanation:  When the force of gravity is equal to the reverse force of air resistance, there will will be no net force on the falling obect.  F = ma, and F (net) = 0.  It will continue at the same speed until those forces become imbalanced again (such as when the force pushing up from the ground is greater than the force of gravity pulling it down).  The metric term for this sudden resistance is "crash/bang/clunk/yieouch."

Answer:

A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.

Explanation:

Answer:

Newton's second law of motion can be formally stated as follows: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.

Answer:

False. This is because ellipses have 2 focus points and not only one.

Answer:

a device for repeatedly generating static electricity by induction.

Explanation:

I think atoms and molecules in matter are always in motion because of kinetic energy.

Answer:

in motion.

Explanation:

In chemistry, we often explain the states of matter in terms of the kinetic molecular theory (KMT). The word kinetic refers to motion and the kinetic molecular theory suggests that atoms and molecules are always in motion. The energy associated with this motion is termed kinetic energy.

Point out the following about solids: The particles (atoms or molecules) are attracted to each other. The particles (atoms or molecules) vibrate but do not move past one another. The solid retains its shape.

They are not always in motion. They are always in motion if and only if the temperature of the surroundings is greater than absolute zero ( 0 K ).

Not only are molecules really small but they are in constant motion. The motion is called “thermal motion” because it's caused by temperature. Increase the temperature around them and the molecules move faster.

The reaction force to your push is the push of box G against you.

Newton's third law states that:

For every action, there is an equal opposite reaction.

So if an object x pulls or pushes an object y with a certain force, object y also exerts an equal and opposite force on object x.

Now, if you should push box G with a certain force, box G will exert an equal opposite force on you.

Hence, the reaction force to your push is the push of box G against you.

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Answer: 60.56

Explanation: Just multiply 3.785 by 16.

Explanation:

volume= 3cm×3cm×6cm=18cm3

Answer:  Fluorine (F) and chlorine (Cl) are two good choices.  See reasoning below.

Explanation:  Mendeleev arranged the elements in the periodic table in a manner that each group, or vertical column, contained elements that exhibited similar chemical properities.  He even reserved spaces for undiscovered elements when none of the known elements had properties similar to those above or below the known elements in a group.  An interesting event illustrates this property.  In December 2010, NASA announced an important new discovery that was to be broadcast on live TV, creating much speculation (e.g., UFO's are real and we'll see the aliens sequestered at Roswell!!!  I knew it.).  

The actual announcement:

"Dec. 2, 2010:  NASA-supported researchers have discovered the first known microorganism on Earth able to thrive and reproduce using the toxic chemical arsenic. The microorganism, which lives in California's Mono Lake, substitutes arsenic for phosphorus in the backbone of its DNA and other cellular components."

A look at the periodic table shows arsenic just below phosphorus, in the same group.   This was an unexpected find, but it might have been predicted with an understanding of how the elements are organized.  

Side note:  look how close silicon is to carbon.  Can there be a life form whose being is made up of silicon instead of carbon?  Sure . . . why not?  Maybe not on Earth, but . . . wait . . . did that marble statue just wink?

Answer:

be mature, it's the only way to be called independent, I will help my parents with doing chores, you will meet new friends

Explanation:

it's just my own understanding

Answer:

1eating junk food

2 I will be a good girl

Answer:

Very large and very small numbers written in standard form take up a large amount of space. They are hard to read and understand and are difficult to use in mathematics. One way to write a very large or very small number is to use a different form of notation. Converting to a workable number is done using scientific or engineering notation.

Explanation:

A simple machine, such as a lever, pulley, or gear train, is "ideal" if the power input is equal to the power output of the device, which means there are no losses. In this case, the mechanical efficiency is 100%.

Hope it helps you :)

Explanation:

a simple machine such as a level pulley, or gear train ,is ideal if the power input is equal to the power output of the device ,which means there are no losses.in this case the mechanical efficiency is 100 percent .

Answer:

90 degrees

Explanation: