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Answer: Proton

Explanation:

Answer:

weight= density ×volume× 9.8

mass=density×volume

Explanation:

[tex]weight = 0.12 \times 0.04 \times 0.04 \times 3.14 \times 13600 \\ \times 9.8 = 80.351 \: n \\ \\ mass = 0.12 \times 0.04 \times 0.4 \times 3.14 \times 13600 = \\ = 8.199 \: kg[/tex]

Answer:

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Answer:

convection: heat transfer by movement of currents inside a liquid, currents in the mantle, temp inside the house, red dye rises blue dye sinks,

radiation: heat from a bonfire, transfer of energy through space,

conduction: frying pan to cooking egg, candle heating up foil to chocolate chips

Explanation:

Answer:

acceleration is a vector quantity the explanation is below

Explanation:

Acceleration is a vector quantity. Acceleration has both magnitude and direction. For example, 9.8ms2 downward or −9.8ms2 vertically is an acceleration.

Answer:

- 0.5 m/s

Explanation:

(1) Acceleration = change in velocity / time

(2) Change in velocity = (Final velocity - Initial velocity)

We know:

acceleration = 1.5 m/s/s

time = 5 seconds

final velocity = 7 m/s

x = initial velocity)

1.5 = ( 7 - x ) / 5

1.5 x 5 = ( 7 - x )

7.5 = 7 - x

x = -0.5 m/s

You can check the answer by plugging in the values to equation (1).

Answer:

~3°

Explanation:

x^2 + 0.16^2 = 3^2

x^2 + 0.0256 = 9

x^2 = 8.9744

x = sqrt(8.9744) = 2.99... = ~3

Answer:

wavelength = 2.5 m

Explanation:

λ=. v/f

= [tex]\frac{150m/s}{60Hz} = 2.5m[/tex]

La altura máxima alcanzada por el bloque es de 14.471 metros.

En esta pregunta asumimos que la altura inicial del bloque es igual a tres metros por encima del la altura de referencia y la altura final puede ser determinada mediante el principio de conservación de la energía, en cuyo caso, la suma de la energía cinética traslacional inicial ([tex]K[/tex]) y la energía potencial gravitacional inicial ([tex]U_{o}[/tex]), ambos en joules, es igual a la energía potencial gravitacional final ([tex]U_{f}[/tex]), en joules. Matemáticamente hablando, tenemos la siguiente expresión:

[tex]U_{o}+K = U_{f}[/tex]

[tex]m\cdot g\cdot z_{o} + \frac{1}{2}\cdot m\cdot v^{2} = m\cdot g \cdot z_{f}[/tex] (1)

Donde:

A continuación, despejamos la altura final del bloque:

[tex]z_{f} = z_{o}+\frac{1}{2}\cdot \frac{v^{2}}{g}[/tex] (2)

Si sabemos que [tex]z_{o} = 3\,m[/tex], [tex]v = 15\,\frac{m}{s}[/tex] y [tex]g = 9.807\,\frac{m}{s^{2}}[/tex], entonces la altura máxima alcanzada por el bloque es:

[tex]z_{f} = 3\,m + \frac{1}{2}\cdot \left[\frac{\left(15\,\frac{m}{s} \right)^{2}}{9.807\,\frac{m}{s^{2}} } \right][/tex]

[tex]z_{f} = 14.471\,m[/tex]

La altura máxima alcanzada por el bloque es de 14.471 metros.

Invitamos cordialmente a ver esta pregunta sobre el principio de conservación de la energía: https://brainly.com/question/19561287

It is important to understand the differences between physical and chemical changes. ... It helps to think of physical changes as those involving changes that don't change the make up of the substance, while chemical changes are those that create a new substance. Physical Changes involve energy.

Answer:

Option 2!

Explanation:

According to F = ma, force increases as mass increases. (Assuming acceleration is constant.)

Answer:

all of the above

Explanation:

because I know

Answer: all of the above

Explanation:

Each answer - choice has a reasonable relevance when using a website.

Answer:

it References the position

Explanation:

Displacement is defined to be the change in position of an object.

And the treasure can't move by itself because its an object (and objects don't move).

Answer:

my pencil is about and 1/2 inches

i think it would be in the middle about 1 inch away  

my hypothesis was wrong he was like a 1/2 inch on one he right side and he left didn't

Explanation:

hope this helps

Answer:

The box gains 3200 J of kinect energy.

Explanation:

Kinect energy is the energy of an object has because of its motion. Almost anything that has mass and it's in motion has kinect energy. Examples:

Also known as the principle of work and kinect energy, it states that the work done by all forces acting upon an object equals the change of its kinect energy.

For example, if you pull a box, then you're exerting a force on it and it moves forward. Since the box has mass and it's in motion, you have changed its kinect energy.

Solution:

Write the data down:

[tex]\bullet \quad \mathsf{m=50\,kg}\\\\\bullet \quad \mathsf{F=400\,N}\\\\\bullet \quad \mathsf{d=8\,m}[/tex]

Apply work energy theorem:

[tex]\mathsf{W}= \Delta\mathsf{K}[/tex]

The amount work done equals the change of kinect energy:

[tex]\mathsf{W}=\mathsf{K-K_o}[/tex]

Since the block is at rest at the beginning, so it has zero initial kinect energy:

[tex]\mathsf{W}=\mathsf{K-0}\\\\\\\mathsf{W}=\mathsf{K}[/tex]

Now, apply the formula for work to the left hand side of the equation:

[tex]\mathsf{F\cdot d}=\mathsf{K}\\\\\\\mathsf{400\cdot 8}=\mathsf{K}\\\\\\\therefore \boxed{\mathsf{K=3200\,J}}[/tex]

Conclusion: the box has gained 3200 J of kinect energy.

Happy studying!

Brainly Team

Answer:

you must connect a radar reader under the steering wheel and clear it

Explanation:

Answer:

b

Explanation:

a,f,,and g is correct because it is indicated that object moving forward

The impact speed will be

v^2 = 2*9.8*1.3

v^2 = 25.48

v= 5.04 m/s or O C. 5.0 m/s

Answer:

IN THE EXPLANATION!!

Explanation:

Atmospheric pressure, also known as barometric pressure (after the barometer), is the pressure within the atmosphere of Earth.

Answer:

atmospheric pressure is the pressure exerted on the Earth's surface due to weight of air above it.

To answer this question, it is necessary to apply the static condition from Newton´s Laws

The solution is:

Fd > Fc > Fa > Fb

From the body free diagram, and from the second Newton´s law of movement we get:

∑ Fx  = 0           F - Fr  = 0         F = Fr             Fr = μ×N

∑ Fy  = 0     N = m×g  ⇒   Therefore       Fr = μ×m×g

F = μ×m×g      g is the same in all the cases, then we just compare the products  μ×m

So when F is just greater than Fr, the body will start moving

we make a table, with values from the information table.

1.-  μ×m   =  0.5× 40  = 20

2.-μ×m   =  0.4× 80   = 16

3.- μ×m   = 0.7× 30   = 21

4.- μ×m   = 0.9× 35   = 31.5

According to the table, from highest to lowest the magnitude of the horizontal force is:

Fd > Fc > Fa > Fb

RelatedLink: https://brainly.com/question/16799228

Answer:

→ Mass is the lightness or heaviness of a body that is free from any force field.

→ Mass is the volume of a body multiplied by its density.

[tex].[/tex]

Answer:

the total mass of the objects multiplied by their velocity.

let's find the acceleration first :

now, we know that :

hence, mass = 6kg

Answer:

m=4kg

v=3m/s

KE=1/2mv^2

KE=1/2×4×3×3

KE=18Joules

Explanation:

PLS MARK BRAINLIEST

Answer:

Astronomers estimate the distance of nearby objects in space by using a method called stellar parallax, or trigonometric parallax. Simply put, they measure a star's apparent movement against the background of more distant stars as Earth revolves around the sun.

Answer:A

Explanation: