When a chunk of cosmic material the size of a golf ball or a baseball hits the Earth's atmosphere it makes a

Answer:

c

Explanation:

Answer:

See below

Explanation:

For 30 m/s :

 KE = 1/2 mv^2

      1/2 (1850)(30^2) = 832500 J

For 120 km/hr :

120 km/hr = 33.333 m/s

  KE = 1/2 1850 (33.333)^2 1027777.8 J  

Answer:

Transverse

Explanation:

The direction of propagation is perpendicular to the motion of the hand. Therefore the wave undergoes a vertical stretching, which is characteristic of transverse waves. Longitudinal waves stretch horizontally.

500 km

distance = speed x time

Here given:

Distance: 100 x 5 ⇒ 500 km

Answer:

500 Km

Explanation:

Speed of the car = 100 km/h

Distance the car covers in 5 hours

= Speed of the car × time

= 100 × 5

= 500 Km

Hope this helps ⚜

Question :-

Answer :-

Explanation :-

As per the provided information in the given question, The Resistance is given as 20 Ohm's . Current is given as 1.5 Amperes . And, we have been asked to calculate the Voltage .

For calculating the Voltage , we will use the Formula :-

[tex] \bigstar \: \: \: \boxed {\sf { \: Voltage \: = \: Current \: \times \: Resistance \: }} [/tex]

Therefore , by Substituting the given values in the above Formula :-

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: Current \: \times \: Resistance } [/tex]

[tex] \Longrightarrow \: \: \: \sf { Voltage \: = \: 1.5 \: \times \: 20 } [/tex]

[tex] \Longrightarrow \: \: \: \bf { Voltage \: = \: 30 } [/tex]

Hence :-

[tex] \underline {\rule {180pt}{4pt}} [/tex]

Additional Information :-

[tex]\Longrightarrow \: \: \: \sf {Voltage \: = \: Current \: \times \: Resistance} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Current \: = \: \dfrac {Voltage}{Resistance}} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Resistance \: = \: \dfrac {Voltage}{Current} } [/tex]

Answer:

Explanation:

Given:

To Find:

Solution:

Using formula:

By Substituting the required values,

⇢ Voltage = 1.5 × 20

⇢ Voltage = 30 Volts.

Hence,

Answer:

a person pushes water with his hands in the backward direction is action and water in turns pushes him forward due to force is reaction.

Explanation:

Tidal volume is the amount of air that moves in and out of the lungs, while vital capacity is the maximum amount of air a person can expel.

Tidal volume is the amount of air that moves in or out of the lungs with each respiratory cycle.

Vital capacity is the maximum amount of air a person can inhale after a maximum exhalation or maximum amount of air a person can expel from the lungs after a maximum inhalation.

Tidal volume is the amount of air that moves in and out of the lungs, while vital capacity is the maximum amount of air a person can expel from the lungs after a maximum inhalation.

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The kinetic energy of the moving express train with the given value of mass and velocity is 7.5 × 10⁵Joules.

Kinetic energy is simply a form of energy a particle or object possesses due to its motion.

It is expressed as;

K = (1/2)mv²

Where m is mass of the object and v is its velocity.

Given the data in the question;

To determine the kinetic energy of the train, we substitute our given values into the above expression.

K = (1/2)mv²

K = (1/2) × 600kg × (50m/s)²

K = 0.5 × 600kg × 2500m²/s²

K = 750000kgm²/s²

K = 7.5 × 10⁵J

Therefore, the kinetic energy of the moving express train with the given value of mass and velocity is 7.5 × 10⁵Joules.

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Explanation:

to find the velocity across the positive y direction we multiply 100 by sin60.

to find the velocity across the positive x direction we multiply 100 by cos60.

horizontal: 50 km/h

vertical: 86.6 km/h

make sure to ask if you need any further guidance.

Answer:

1314362.5 gm     or   1314.3625 kg

Explanation:

A cube has all three dimension =

  55 * 55 * 55 = 166375  cm^3

166 375 *   7.9 g/ cm^3 = 1314362.5 gm

Las diferencia de potencial indica el valor de la fuerza o potencial eléctrico entre dos puntos, lo cual permite llevar electricidad a diferentes areas.

La diferencia de potencial indica la fuerza ejercida por una corriente eléctrica entre dos puntos equidistantes.

La diferencia de potencial se mide en Volts, es decir, en voltaje (V), el cual indica la fuerza de la energía eléctrica que se puede transmitir entre dos puntos.

La diferencia de potencial nos permite tener energía en una vivienda o en una industria, como asi tambien usar un artefacto que requiera de electricidad para funcionar.

Aprende más sobre la diferencia de potencial aquí:

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Answer:

333N

Explanation:

=>First you have to find the mass of the asteroid.

so 882N÷9.8m/s²=90Kg

then,multiply it by Mars's gravity

=>90Kg*3.7m/s²=333N

Answer:

An electron added to a noble gas must go in the next higher energy level. The periodic trend for electron affinity values is not as consistent as for other trends.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

The Correct choice is D

Gene are special biomolecules that have all the required information of that organism, and has an instruction for making protein molecules.

Answer:

The resistance of a cylindrical segment of a conductor is equal to the resistivity of the material times the length divided by the area: R≡VI=ρLA. The unit of resistance is the ohm, Ω.

Explanation:

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

The Correct choice is D

Heat always travel from higher temperature body to lower temperature. so we can infer that heat is transferred from the warmer water to the ice cubes which causes melting of that ice in there.

The distance the  100kg man must climb to burn off 500 kilocalories by running up an elliptical path is 2,136.1 m.

The potential energy of the man from a known height can be used to deternine the distance the man would have to climb.

P.E = mgh

Where;

P.E is potential energy, given as  500 kilocalories,

1 kcal = 4186.8 joules

500 kcal = 2,093,400 J

h = P.E/mg

h = (2,093,400) / (100 x 9.8)

h = 2,136.1 m

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Answer:

-12.12

Explanation:

i just added them together and it worked.

Answer:

See

distance is 10 km

displacement is 5√2 km

Explanation:

DISTANCE:

Distance is scaler so, it doesn't depend on the direction

so distance is 5+5 which is 10

DISPLACEMENT:

Displacement is a vector, so, it depends on direction.

Now when we see north and east, they form a right angle, so we need to calculate the hypotenuse of the triangle for displacement as it is the shortest route between the two points.

Let hypotenuse be h

Hope it helps

BYE.

When carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.

Carbon dioxide (CO2) is made use of by aquatic photosynthetic organisms to make their own food.

Some examples of aquatic organisms that makes use of carbon dioxide are:

However, when carbon dioxide is in ocean water it bonds to carbonate, preventing its use by coral reefs and currents.

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Answer:

coral reefs and shellfish

Explanation:

Both need carbonate

Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

In the electromagnetic spectrum the electromagnetic radiation with the shorter wavelength possess a higher energy while the electromagnetic radiation with a longer wavelength possess the lower energy.

The electromagnetic radiation as listed in the question with the longest wavelength is the radio waves therefore it possess the lowest energy while the radiation with the shortest wavelength is the gamma rays therefore it possess the highest energy.

Hence we can conclude that Placing the electromagnetic radiation in order from the lowest energy to the highest energy :  ( 2 ) C,A,B

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Answer:

Composition.

Explanation:

the inner planets tend to be made up of more solid materials such as iron, while outer planets are made up of primarily gas and ice

The gauge pressure in the higher part will be 136 kph. The pressure is found with the help of the Bernoulli equation.

The difference between absolute pressure and atmospheric pressure is known as gauge pressure. Relative pressure is another name for gauge pressure.

From the continuity equation;

[tex]\rm A_1v_1=A_2v_2 \\\\ \rm \frac{\pi}{4}(6)^2 \times 5 = \frac{\pi}{4}(3)^2 v_2 \\\\ v_1 = 20 \ m/sec[/tex]

The gauges pressure in the higher part is found as;

From the Bernoullis equation;

[tex]\rm \frac{P_1}{\rho g} + \frac{v_1^2}{2g} +Z_1 = \frac{P_2}{\rho g} + \frac{v_2^2}{2g} +Z_2 \\\\ \frac{80 \times 10^3 }{\rho g} + \frac{(5)^2}{2g} +0= \frac{p_2}{\rho g} + \frac{(20)^2}{2g} +3 \\\\ \frac{80 \times 10^3 - P_2 }{1000 \times 9.81 } = \frac{20^2-5^2}{2 \times 9.81 } +3 \\\\ P_2 = 136 \ kpa[/tex]

Hence the gauge pressure in the higher part will be 136 kpa.

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Answer: 2

Explanation:

The statement "All magnets pick up paperclips, but the number of paperclips depends on the magnet" is neither a hypothesis nor testable.

The hypothesis that is not testable based on the given data is magnets will pick up metal objects but not plastic objects. Option C is the correct answer.

The reason this hypothesis is not testable based on the given data is that the information provided only pertains to the number of paperclips picked up by different magnets. It does not provide any information or evidence regarding the ability of magnets to pick up metal objects versus plastic objects. Option C is the correct answer.

In order to test this hypothesis, we would need data or experiments specifically focusing on the interaction between magnets and metal objects as well as magnets and plastic objects. The given data only provides information about the number of paperclips picked up by different magnets, which does not support or refute the hypothesis about the ability of magnets to pick up different materials.

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Answer:

If the amplitude increases the volume increases and vice versa.So therefor the volume depends on how high or low the amplitude is.

When two or more sound waves occupy the same space, they affect one another. The waves do not bounce off of each, but they move through each other. The resulting wave depends on how the waves line up.

With constructive interference, two waves with the same frequency and amplitude line up – the peaks line up with peaks and troughs with troughs as in diagram A above. The result is a wave that has twice the amplitude of the original waves so the sound wave will be twice as loud.