About how long does it take for the moon to go from new moon to full moon?

Answer:

it would be 3

Explanation:

because you have to divide the length by the height of the incline.

The mechanical advantage of an inclined plane that has a length of 9 feet and a height of 3 feet will be 3.

Mechanical advantage is a measure of the ratio of output force to input force in the system, it is used to obtain the efficiency of a mechanism.

The formula for the mechanical advantage of the inclined plane is found as;

[tex]\rm Mechanical \ advantage = \frac{length}{height} \\\\ Mechanical \ advantage =\frac{9}{3} \\\\ Mechanical \ advantage =3[/tex]

Hence the mechanical advantage of an inclined plane that has a length of 9 feet and a height of 3 feet will be 3.

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Answer:      

extension at the elbow, abduction of the shoulder

Explanation:

i think thats it im not sure hopefully it helps

Answer:

91.3 kg

Explanation:

weight = m*g

m: mass

g: gravity = 9.8 or 10 (depends on what your instructor tells you to use)

mass = w/g

895/9.8 = 91.3 KG

Answer:

the nearest whole number is 5

Answer:

It encapsulates the idea that all the particles of matter in the universe attract each other through the force of gravity – Newton's law tells us how strong that attraction is. ...

Explanation:

your answer

Answer:

So, I noticed that somebody rated the other answer here 1 star. But, if you really can't get it, (which doesn't make sense because the answer is literally in it) the answer is gravity. Which would make the answer D. gravity

Explanation:

Explanation:

incomplete question graph / fig is not available

Answer:

1000kg

Explanation:

We can use the equation "p=mv"

If we rearrange the equation to find mass (m), then the equation becomes:

m=p/v

We can substitute in the values of p and v as they are already given in the question.

So, now we just substitute in the values to get our answer.

m=p/v

m=25,000/25

m=1000kg

Answer:

Point x I think

Explanation:

Answer:

Explanation:

Remark

Let's start with the second question first. If the two forces aren't balanced, the truck will move in some direction. So the downward force of the truck must equal the upward force provided by the pavement pushing up.

Mass of truck = 9500 kg. Remember mass is directionless and it is not a force or weight. That truck would have a mass of 9500 kg anywhere in the universe.

Givens

m = 9500

a = 9.8

Force or weight = ?

Formula and Solution

F = m * a

F = 9500 * 9.8

F = 93100 N

Comment

That force does have a direction. It is down.

The balancing force (you call it the reaction force) going upward is 93100 N

Answer:

•Walking briskly

• Running /jogging

•Dancing

•biking

Explanation:

back ground radiation is a natural radiation so basically everything emits background radiation. so if it were harmful, the world wouldn't be here,

so it is false

it knocks electrons out of atoms, this is because ionising radiation is a radiation that had enough energy to remove electrons form the atoms and molecules.

true because exposure to radon can damage biological molecules such as proteins, which leads to abnormal patterns of cell division, which leads to cancer.

hope it is helpful, if not , you can report and let someone else try it out.

do vote, thank you

Acceleration = (change in speed)/(time)

Change in speed = (60-15) = 45 km/hr

Time for the change = 30 sec

Acceleration = 1.5 km/hr-sec

Answer:

Green

Explanation:

Green plants have the ability to make their own food. They do this through a process called photosynthesis, which uses a green pigment called chlorophyll. A pigment is a molecule that has a particular color and can absorb light at different wavelengths, depending on the color

Answer:

i think it is 0.06 but im not sure sorry if im wrong

Explanation:

Answer:

Thats a lot, good luck!<3

1) Newton first law of motion: state“If a body is at rest it reamain at rest and if it is in a motion it continu its motion unless a net external force acting on it”

This law also called law of inertia

2) Newton second law of motion: states that ‟acceleration to the force acting on the body and inversky proportional to the mass of the body”

3) Newton's third law of motion: It is not possible to exert a force abody with out the body exerting a forces in the opposite direction.

These forces are called action and reaction forces

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

Answer:

L = 1.61 cm

Explanation:

The frequency of open organ pipe is given by :

[tex]f=\dfrac{nv}{2L}[/tex]

Where

n = 1 for fundamental frequency

f = 10500 Hz

L is the length of the pipe

v is the speed of sound, v = 340 m/s

So,

[tex]L=\dfrac{nv}{2f}\\\\L=\dfrac{1\times 340}{2\times 10500 }\\\\L=0.0161\ m\\\\or\\\\L=1.61\ cm[/tex]

So, the length of the pipe is 1.61 cm.

Answer:

0.0163

Explanation:

acellus

Answer:

15kg

Explanation:

Acceleration = 10 m/s^2

Force = 150 N

Force = mass * acceleration

mass = force / acceleration

mass = 150 / 10

mass = 15 kg

When a substance freezes, its atoms become locked in place so they do not move from one position to another. Therefore, any substance that is frozen is a solid. Hence, option (D) is correct.

One of the four basic states of matter is solid (the others being liquid, gas, and plasma). The least solid molecules are those that are tightly packed together and make up solids.

A solid is distinguished by its structural rigidity and resistance to external forces. A solid substance, unlike a liquid, does not flow to conform to the shape of its container or, like a gas, expand to cover the entire space. A solid's atoms are connected to one another either in a regular geometric lattice (such as that found in metals and common ice), or in an asymmetrical manner (an amorphous solid such as common window glass).

Therefore, any substance that is frozen is a solid.

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Answer:

according to the graph, vavg= Stotal/Ttotal =10

Answer:

Input work is the work done on a machine as the input force acts through the input distance. This is in contrast to output work which is a force that is applied by the body or system to something else. Output work is the work done by a machine as the output force acts through the output distance, hope that helped

.

Explanation:

Answer:

3.5 A

Explanation:

Current [A] =Electrical power [W] ÷ Potential difference [V]

KW TO W = ×1000

hence,

800W÷230V= 3.5A (1 d.p)

The current through a television with a power of 0.8kW if it uses 230V mains supply is 3.5A

Current is as a result of the flow of electrons through a conductor.

Voltage is the difference in potential between two points.

Power is the product of current and voltage. It is given by:

Power(P) = Current(I) * Voltage(V)

Given a power of 0.8 kW = 800W, V = 230 V. Hence:

P = IV

800 = 230I

I = 3.5A

The current through a television with a power of 0.8kW if it uses 230V mains supply is 3.5A

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Answer:

please find attached file

Explanation:

yes could the half of the moon that faces the earth ever be completely dark

The moon is the captivating celestial body that can be observed through eyes, it is the biggest heavenly body in the night sky which changes its shape constantly.

The waning and waxing of moon cause the changes in face of the moon. The waning and waxing of the moon is directly related to the rotation of the moon.

The rotation of the moon is an extraordinary occurrence as the time the moon takes for completely orbiting the earth is exactly the time it takes to rotate once on its own axis.

Both the actions take 27.3 days to complete. This is unique feature of the moon is rare when compared to other celestial bodies. The energy given to the moon comes from Earth's rotation and to compensate, our planet is slowing down.

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Answer:

Objects with mass exert forces on each other via the force of gravity. This force is proportional to the mass of the two interacting objects, and is inversely proportional to the square of the distance between them. The factors G, M, and r are the same for all masses at the surface of the Earth.

Answer:

Explanation:

Remark

This is a second class lever. It is much more efficient than the fishing pole problem. All distances are measured from the pivot in these kinds of questions.

Givens

d1 = 1.5

d2 = ?

m1 = 50 kg

m2 = 30 kg

The lighter child will have to sit further away from the pivot to make the two conditions equal.

Formula

d1*m1 = d2*m2

1.5*50 = d2 * 30

75 = 30 * d2

75/30 = d2

d2 = 2.5

Remark

Notice that the distance is longer for the lighter child. The fact that these are masses and not forces does not matter, but you should take note of it. There is a difference between masses and forces. See the fishing pole problem.

Answer to the multiple Choice question. No motion on this kind of problem means equal moments. The answer is D

Problem 2

1) The wheels are further apart making B more stable. The wider the distance the wheels are apart, the harder it would be to tip the concrete mixer over

2) The center of gravity is lower. The higher the force is the more chance you have of exerting an external force to tip the mixer over.