A. B. C. D.
-___________

Answer:

Rest and motion are the relative terms because they depend on the observer's frame of reference. So if two different observers are not at rest with respect to each other, then they too get different results when they observe the motion or rest of a body.

Answer:

Explanation:

Which statement accurately describes the outer planets?

Pluto is one of the outer planets.

The outer planets are also called rocky planets.

The outer planets have thin atmospheres.

The outer planets have a high gravity due to their large size is the statement that accurately describes the outer planets, therefore the correct answer is option D

It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.

Our Solar System is based on a heliocentric model in which the Sun is assumed to reside at the central point of the planetary system.

In general, the outer planets are larger than the inner planets. They have extremely large and dense atmospheres and are made of gases. These planets have stronger gravitational pulls because they are larger overall and have more mass.

Thus, The statement that most accurately describes the outer planets is "The outer planets have a high gravity due to their large size," so option D is the appropriate response.

Learn more about Solar System

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Answer:

[tex]\huge\boxed{\sf S = 27 m}[/tex]

Explanation:

Given:

Initial Velocity = [tex]\sf V_{i}[/tex] = 6 m/s

Acceleration = a = 2 m/s²

Time = t = 3 secs

Required:

Distance = S = ?

Formula:

Solution:

S = (6)(3) + 1/2 (2)(3)²

S = 18 + 9

S = 27 m

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

Answer:

S=27 m

Explanation:

Answer:

Commensalism is the relationship

Explanation:

This type of relationship is between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter.

Answer:

C,   Commensalism

Explanation:

the Burdock seed attaches itself without harming to cow meanwhile the cow helps spread it's seed to a further location where the seed will grow

Answer: 1: A constellation position in the night sky can be used to predict events in a personal life

2: certain mineral crystals have properties that help protect the body From illness

Explanation: I just took the test

Answer:

weight will decrease

Explanation:

this is because mad stays the same no matter what so it was between this and weight increases

Answer:

Its weight will decrease.

Explanation:

just because

Answer: Brittle

Explanation:

took the test and I chose Soft, Soft is the wrong answer don't choose it. The CORRECT ANSWER IS BRITTLE

Answer:

B. Brittle

Explanation:

took the quiz on Edge and got it right

And a %100 on the quiz.

Answer:

a=2ms⁻²

Explanation:

v=8ms⁻¹   u=2ms⁻¹   t=3secs

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

a=[tex]\frac{6}{3}[/tex]

a=2ms⁻²

Answer:

a=2ms-2

Explanation:

hope this helped

Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\[/tex]

From the question

mass = 2.5 g

Volume = 1.3 cm³

We have

[tex]density = \frac{2.5}{1.3} \\ = 1.923076...[/tex]

We have the final answer as

Hope this helps you

Answer:11.7 meters

Explanation: Gravitational acceleration (g)

9.8 m/s²

Initial velocity (v₀)

0 ft/s

Height (h)

11.77225 m

Time of fall (t)

1.55 sec

Velocity (v)

15.19 m/s

Explanation:

speed = 50 km/h

time = 0.75 hr

dist. = time × speed

dist. = 0.75 × 50

dist.= 37.5 km

Answer:

37.5 km

Explanation:

Answer:

67 mL

Explanation:

Ideal gas law:

PV = nRT

If number of moles (n) and temperature (T) are constant, then:

PV = constant

Therefore:

P₁V₁ = P₂V₂

(200 kPa) (100 mL) = (300 kPa) V

V ≈ 67 mL

Answer:

Explanation:

Consider the initial position of the frog (20 m above ground) as the reference position. All measurements are positive measured upward.

Therefore,

u = 10 m/s, initial upward velocity.

H = - 20 m, position of the ground.

g = 9.8 m/s², acceleration due to gravity.

Part (a)

When the frog reaches a maximum height of h from the reference position, its velocity is zero. Therefore

u² - 2gh = 0

h = u²/(2g) = 10²/(2*9.8) = 5.102 m

At maximum height, the frog will be 20 + 5.102 = 25.102 m above ground.

Answer: 25.1 m above ground

Part (b)

Let v = the velocity when the frog hits the ground. Then

v² = u² - 2gH

v² = 10² - 2*9.8*(-20) = 492

v = 22.18 m/s

Answer: The frog hits the ground with a velocity of 22.2 m/s

Answer:

The comparison of unknown quantity with known quantity is called measurement.

Answer:

The density of balsa wood is about 170 kg/m^3.

Explanation:

happy to help :)

Answer:

The moon’s gravity is weaker than the earth gravity due to the smaller in size as compared to the earth. As there is no atmosphere present on the moon gravity, so there are fewer chances of withstanding temperature.

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Answer:

the answer to your question is letter d

Answer:

The need for evidence to support claims by people with Near Death Experience speaks to the 5th principle of scientific (or critical thinking) which states that:

Extraordinary claims require extraordinary evidence.

Explanation:

By evidence, we mean data-based facts.

Cheers

Answer:A Ed 2020

Explanation:

In order to use the Pythagorean theorem to find the magnitude of a resultant vector, two initial vectors must form a 90 degree angle.

The Pythagorean theorem, sometimes known as Pythagoras' theorem, is a basic relationship between a right triangle's three sides in Euclidean geometry.

In a right-angled triangle, the square of the hypotenuse side is equal to the sum of the squares of the other two sides, according to Pythagoras's Theorem. These triangle's three sides are known as the Perpendicular, Base, and Hypotenuse.

Due to its position opposite the 90° angle, the hypotenuse in this case is the longest side. When the positive integer sides of a right triangle (let's say sides a, b, and c) are squared, the result is an equation known as a Pythagorean triple.

Hence,  two initial vectors must form a 90 degree angle.

Learn more about Pythagorean theorem here:

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Answer:

(1).The acceleration is -24 m/s²

The total distance is 912 m.

(2). The distance traveled before it stop is 78 m.

Explanation:

Given that,

Velocity = (12-3t^2) m/s

When t = 1 s, the particle is located 10 m to the left of the origin.

We need to calculate the acceleration at t = 4 sec

Using formula of acceleration

[tex]a=\dfrac{dv}{dt}[/tex]

Put the value of v

[tex]a=\dfrac{d}{dt}(12-3t^2)[/tex]

[tex]a=-6t[/tex]

Put the value of t

[tex]a=-6\times4[/tex]

[tex]a=-24\ m/s^2[/tex]

The displacement from t = 0,t = 10 s, and the distance the particle travels during this time period.

We need to calculate the distance

Using formula of distance

[tex]ds=v\ dt[/tex]

[tex]\int_{-10}^{s}=\int_{1}^{t}{v}dt[/tex]

Put the value of v

[tex]\int_{-10}^{s}=\int_{1}^{t}{ (12-3t^2)}dt[/tex]

[tex]s+10=12t-t^3-11[/tex]

[tex]s=12t-t^3-21[/tex]

At t = 0,

[tex]s_{t=0}=-21[/tex]

At t = 10,

[tex]s_{t=10}=12\times10-10^3-21[/tex]

[tex]s_{t=10}=-901[/tex]

The displacement is

[tex]\Delta s=-901-(-21)[/tex]

[tex]\Delta s=-880\ m[/tex]

The distance at t= 2 sec

[tex]s_{t=2}=12\times2-2^3-21[/tex]

[tex]s_{t=2}=-5[/tex]

The total distance will be,

[tex]s_{T}=(21-5)+(901-5)[/tex]

[tex]s_{T}=912\ m[/tex]

(2). We need to calculate the distance at 2 sec

Using equation of motion

[tex]s=ut-\dfrac{1}{2}at^2[/tex]

Put the value into the formula

[tex]s=27\times 2+\dfrac{1}{2}\times6\times(2)^3[/tex]

[tex]s=78\ m[/tex]

Hence, (1).The acceleration is -24 m/s²

The total distance is 912 m.

(2). The distance traveled before it stop is 78 m.

Answer:

Microwave is used to heat the food and uses a different form of electromagnetic radiation. The form of electromagnetic radiation used in microwaves are radio waves and infrared radiation.

The frequency of such electromagnetic waves is 2,450 megahertz (2.45 gigahertz) and the wavelength range is approximately of 30 cm (frequency = 1 GHz) to 1 mm (300 GHz).

Microwaves or electromagnetic radiation produced by a magnetron, an electron tube in the microwave. The cavity of the magnetron cavity magnetron produces electromagnetic waves defined wavelength. Electromagnetic radiation strikes within the metals in the microwave and is absorbed by food. Electromagnetic radiation allows the vibration of water molecules in the food and makes the food hot.

Answer:

Describe the device and its function.

A microwave has electro-magnetic waves. A microwave also heats up and cooks food.

What form of electro-magnetic radiation does it use?

They use infrared radiation.

Describe the frequency and wavelength range of this type of electro-magnetic wave.

Their frequencies are between 300 mhz and 300 ghz. A microwaves wavelength is around 30 centimeters.

Using the information above and details from your research, write a paragraph of five sentences or more explaining how the device uses the behavior and characteristics of the electro-magnetic wave to function. Remember the writing tips from the lesson, and use facts and details to explain your topic sentence.

The microwave heats up food and also cooks it. The form of the electro-magnetic radiation they use is “infrared”. A microwaves wavelength is also around 30 centimeters. Their frequencies run between 300 mhz and 300 ghz. Microwaves use the radiation as heat and power to warm their surroundings such as food placed in microwaves. A microwave can also be found right in your kitchen. Microwaves can heat up about almost everything, even metal. That is also the reason why you should not place any silverware in a microwave, because it can create an electrical current, causing it to explode out of control.

Answer:

λ=hc/E

Explanation:

E=hc/λ

Eλ=hc

λ=hc/E

Answer:

x = v₀ cos θ   t ,   y = y₀ + v₀ sin θ t - ½ g t2

Explanation:

This is a projectile launch exercise, in this case we will write the equations for the x and y axes

Let's use trigonometry to find the components of the initial velocity

              sin θ = [tex]v_{oy}[/tex] / v₀

              cos θ = v₀ₓ / v₀

              v_{y} = v_{oy} sin θ

              v₀ₓ = vo cos θ

now let's write the equations of motion

X axis

         x = v₀ₓ t

         x = v₀ cos θ   t

        vₓ = v₀ cos θ

Y axis

        y = y₀ + [tex]v_{oy}[/tex] t - ½ g t2

        y = y₀ + v₀ sin θ t - ½ g t2

        v_{y} = v₀ - g t

       v_{y} = v₀  sin θ - gt

        [tex]v_{y}^{2}[/tex] = v_{oy}^2 sin² θ - 2 g y

As we can see the fundamental change is that between the horizontal launch and the inclined launch, the velocity has components

Answer:

30 m/s East

Explanation:

Velocity must have a speed unit (m/s) and a direction.  The only one that satisfies the conditions is 30 m/s East.

Copper isn't ferromagnetic,

Aluminum isn't ferromagnetic,

String has a ferromagnetic property

Answer:

i think its aluminum

Explanation:

Answer:

Sep 9, 2008 - Image above: In the Parachute Refurbishment Facility at NASA's ... His parachute, when opened, had a canopy that resembled a huge umbrella. ... Space Center used mainly to process space shuttle parachutes, United Space ... Hillebrandt also is lead engineer for the Constellation Program's Ares 1 rocket ...

Explanation:

Sep 9, 2008 - Image above: In the Parachute Refurbishment Facility at NASA's ... His parachute, when opened, had a canopy that resembled a huge umbrella. ... Space Center used mainly to process space shuttle parachutes, United Space ... Hillebrandt also is lead engineer for the Constellation Program's Ares 1 rocket ...

Answer:

Managing large amounts of data and processing them quickly during communication between Earth and space is challenging.

Which technology is most suitable to overcome this challenge?

Using camera imaging and wireless communication

Explanation:

the answer for the question is D. all of the above