What is the speed shown in the graph? which number do i start on?

Answer:

sorry i cant figure this out

Explanation:

Answer:

The size (diameter) of the basketball's shadow on the wall is approximately 53.38 cm

Explanation:

The given parameters of the basketball are;

The diameter of the basketball = 23 cm (9 inches)

The distance of the light bulb from the closest side of the basketball = 3 m

The distance from the ball to the wall = 4 m

The distance from the light source to the center of the ball, d = 3 m + 0.23/2 m = 3.115 m

The angle the light ray makes with the edge of the ball, θ = arctan(0.115/3.115)

Therefore, the ratio of the shadow width divided by 2 to the distance from the light from the wall = 0.115/3.115

The distance from the light from the wall = 3 m + 4 m + 0.23 m = 7.23 m

Therefore;

((The width of the shadow)/2)/(The distance from the light from the wall) = 0.115/3.115

∴ ((The width of the shadow)/2)/(7.23 m) = 0.115/3.115

((The width of the shadow)/2) = 7.23 m × 0.115/3.115 = 16629/62300 m ≈ 0.2669 m = 26.69 cm

The width (diameter) of the shadow on the wall = 2 × 16629/62300 m ≈ 0.5338 m = 53.38 cm

The size (diameter) of the basketball's shadow on the wall ≈ 53.38 cm

Answer:

8.14n in mars

Explanation:

gravitational

Answer:

472.36 N

Explanation:

The total mass with the tire and child would be 45 kg + 3.2 kg = 48.2 kg

Ft = force tension

Fg = force of gravity

Fnet=0 (because child is motionless and not accelerating)

0 = Ft - Fg

Ft = Fg

Ft = m*g

Ft = 48.2 kg * 9.8 m/s^2

Ft = 472.36 N

Hope this helps!!

A 45-kg child sits on a 3.2-kg tire swing. The tension of the rope is 472.36 N.

The parameters given in the question is

Mass of the child= 45 kg

Mass of the tire swing attached to the tree= 3.2 kg

The first step is to calculate the total mass. The total mass can be calculated as follows;

= Mass of the child + mass of the tire swing

= 45 + 3.2

= 48.2 kg

The tension can be calculated as follows,

= mass × acceleration

= 48.2 × 9.8

= 472.36

Hence, A 45-kg child sits on a 3.2-kg tire swing. The tension of the rope is 472.36 N.

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Answer:

They are also called the gas planets because they consist mainly of hydrogen, or the giant planets because of their size. These planets usually have complicated system of many moons and often even rings of ice and/or dust. There are four Jovian planets in the Solar System: Jupiter, Saturn, Uranus and Neptune.

Answer:

They are also called the gas planets because they consist mainly of hydrogen, or the giant planets because of their size. These planets usually have complicated system of many moons and often even rings of ice and/or dust. There are four Jovian planets in the Solar System: Jupiter, Saturn, Uranus and Neptune.

Explanation:

i hope this helps :)

Answer:

[tex]2.03\times 10^5\ Pa[/tex]

Explanation:

We need to find the extra pressure when you are 10 meters under water. The net pressure on us is given by :

[tex]P=P_o+\rho gh\\\\P=1.05\times 10^5+1000\times 9.8\times 10\\\\P=2.03\times 10^5\ Pa[/tex]

So, [tex]2.03\times 10^5\ Pa[/tex] is exerted on us at 10 m under water.

Explanation:

Visible light is the range of electromagnetic waves that humans can see. Anything that glows or gives off light makes waves of what we call visible light. The sun, light bulbs, candles and fire are all things that people automatically think of when it comes to light, but visible light comes from many sources and in many colors. Some other sources of visible light include: television and computer screens, glow sticks, and fireworks

Answer:

Visible light is visible because most of the gases in planetary atmospheres (oxygen, nitrogen, carbon dioxide, methane, ammonia…) are transparent to those wavelengths. We evolved to see those wavelengths because the atmosphere in visible light is transparent.

Explanation:

Answer:

200 m\ s Ans .....

Explanation:

Data:

f = 200 Hz

w = 1.0 m

v = ?

Formula:

v = f w

Solution:

v = ( 200)(1.0)

v = 200 m\s Ans .........

Explanation:

The newton-second (also newton second; symbol: N⋅s or N s)[1] is the derived SI unit of impulse. It is dimensionally equivalent to the momentum unit kilogram-metre per second (kg⋅m/s). One newton-second corresponds to a one-newton force applied for one second.

Newton-second

Impuls Masse Geschwindigkeit.svg

For two objects moving with the same velocity (v), the object with the greater mass (m) will have the greater momentum (p).

Answer:s

Explanation:

Answer:

they can have the momentum if only they are been divided by another number to see the difference

Answer:

The answer is 360

Explanation:

Follow me!!!

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According to Coulomb, the electric force for charges at rest has the following properties: Like charges repel each other; unlike charges attract. Thus, two negative charges repel one another, while a positive charge attracts a negative charge. The attraction or repulsion acts along the line between the two charges.

Things that are negatively charged and things that are positively charged pull on (attract) each other. This makes electrons and protons stick together to form atoms. Things that have the same charge push each other away (they repel each other). This is called the Law of Charges.

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Hope It Helps!

Answer:2 seconds

Explanation:

Answer:

A

Explanation:

a star is a bolling gas so it not a space rock

A star is not a space rock. Thus, the correct answer is option A.

A star is a type of astronomical object that consists of a luminous spheroid of plasma held together by gravity. The Sun is the closest star to Earth. Many other stars can be seen with the bare eyes at night, but due to their great distances from Earth, they appear as fixed points of light.

Many of the brightest stars have proper names, and the most prominent stars have been classified into constellations . As previously stated, a star is a massive self-luminous celestial body of gas that shines through radiation emitted by its internal energy sources. It is not a space rock.

Therefore, a star, which is self-luminous celestial body made up of gas, is not a space rock.

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Answer:

KE = 1/2 mv2

KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s)

KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402)

KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402

KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402 KE = 400 J

KE = 1/2 mv2 KE = 1/2 (0.50kg) (40m / s) 2 KE = 1/2 (0.50) (402) KE = 0.5 x 0.50 x 402 KE = 400 JKE = 0.4 KJ

Answer:

K. E = 1/2MV²

K. E = 1/2 x 0.50kg x (40m/s)²

K. E = 1/4kg x 1600m²/s²

K. E = 400

Answer:

4.6

Explanation:

If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then the displacement of the dog would be 37.5 m / s .

An object's position changes if it moves in relation to a reference frame, such as when a passenger moves to the back of an airplane or a professor moves to the right in relation to a whiteboard. Displacement describes this shift in location.

As given in the problem If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then we have to find the displacement of the dog.

The displacement of the dog = 7.5 × 5

                                                = 37.5 m /s

Thus , If a dog running with an initial speed of 7.5 m/s comes to a stop in 5 seconds, then the displacement of the dog would be 37.5 m / s .

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Answer:

The inverse of f equals the inverse of d Subscript o Baseline plus the inverse of d Subscript I Baseline.

Explanation:

Explanation:

Answer: The answer is most likely the first one, but I may be wrong.

Explanation:

Answer:

Lightning is a discharge of electricity. A single stroke of lightning can heat the air around it to 30,000°C (54,000°F)! This extreme heating causes the air to expand explosively fast. The expansion creates a shock wave that turns into a booming sound wave, which is thunder.

Explanation:

:)

The greatest gravitational force would occur between the moon and Earth. The correct option is D.

The force of gravity, also known as gravitation, affects every material object in the universe. The force of gravity tends to draw any two objects or particles with nonzero mass toward one another. Gravity operates on objects of all sizes, from subatomic particles to clusters of galaxies.

The two forces, which are equal in strength and move in the opposite direction, pair up to interact with various objects. As a result, the pull of Earth on the Moon is equal to and opposes the pull of the Moon on Earth.

Amongst the given options the greatest force is between the moon and the earth.

Hence, the greatest gravitational force would occur between the moon and Earth. The correct option is D.

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Answer:

GREATER than 1 g/cm. 3, it will SINK in water. LESS than 1 g/cm3, it will FLOAT in water. If an object's density is: Density of Object > Density of Liquid.

Explanation:

Answer:

The answer is "Choice B and Choice C".

Explanation:

In this question, the two features, which make electromagnetic waves effective for interaction, which they don't really need a method of travel of data and move information quite fast. The motion among magnetic and electrical forces is generated by electromagnetic radiation. These waves will spread without the need for a source for their movement, and they have high speed and also the electromagnetic waves it has the same frequency as light.

Answer:

The shape of the path transverse by the Earth around the sun is called an ellipse

Explanation:

:)

Answer:

Hari didn't plan to go abroad

Explanation:

Abroad planned to go to hari.

Answer:

The potential energy stored in the spring is 0.018 J.

Explanation:

Given;

spring constant, k = 90 N/m

extension of the spring, x = 2 cm = 0.02 m

The potential energy stored in the spring is calculated as;

U = ¹/₂kx²

where;

U is the potential energy stored in the spring

Substitute the given values in the equation above;

U = ¹/₂  x  90 N/m  x  (0.02 m)²

U = 0.018 J

Therefore, the  potential energy stored in the spring is 0.018 J.