Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars. TRUE or FALSE.

Answers

Answer 1

Answer: The answer is true as a result of the fusion hydrogen atoms are converted into helium and energy is released in stars to produce fusion reaction.

Answer 2

Answer: I think the answer is True

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Why is water soaked cloth used on forehead during fever?please can you tell me answer

1. How does an area’s weather differ from the area’s climate? (1 point). A.Weather involves temperature and precipitation and climate involves only temperature.. B. An area’s weather depends on where it is located on Earth and the area’s climate does not.. C.An area’s weather does not change very much and an area’s climate changes many times.. D.Weather is the area’s day-to-day conditions and climate is the area’s average conditions.. 2. All of the following factors contribute to Earth’s climate EXCEPT (1 point) . latitude.. longitude.. transport of heat by winds.. shape and elevation of landmasse

Answers

An area's weather differs from an area's climate because weather is the area's daily conditions. The climate is the average conditions of the area.

Longitude does not contribute to the earth's climate. Longitude are imaginary lines that have no impact.

Weather is the area's day-to-day conditions, such as temperature and precipitation, while climate refers to the average conditions over a long period of time. All of the given factors contribute to Earth’s climate except longitude. The correct options are D and B.

A location's short-term atmosphericconditions, such as temperature, humidity, precipitation, wind speed, and air pressure, are referred to as the "weather."

Even within a single day, it might fluctuatedramatically from one day to the next. The long-term average weather patterns of a region are represented by climate, which often spans decades or centuries.

Latitude, wind-borne heattransport, form and height of landmasses, and all the other elements mentioned affect the climate of the planet.

Latitude has a big impact on how solar energy is distributed and how temperature patterns are affected.

The movement of heat by winds contributes to the distribution of heat and moisture around the world, which influences climate fluctuations.

Thus, the correct options are D and B.

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Change the following data into scientific notation.

5 000 000 km

Answers

To find out scientific notation, you want to make sure that number is less than 10. So do 5.000000, you don't rally need the zeros but I just want to make my point. So use 10^x meaning ten the whatever power adds zeros like 5.000000x10^6 meaning it is increasing it by six zeros moving it out of the decimals and letting become 5,000,000.

Answer:

the answer is B) 5x10^6

Explanation:

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A growing person needs a diet that supplies about 10MJ of energy per day. Calculate the amount of energy supplied by such a diet each second, and hence the person’s average power. (Give your answer to the nearest 10W)

Answers

We are given that a growing person needs a diet that supplies about 10 MJ of energy per day.

To convert this to energy supplied per second, we can use the following conversion:

1 day = 24 hours/day x 60 minutes/hour x 60 seconds/minute = 86400 seconds

Therefore, the energy supplied per second is:

10 MJ/day = 10,000,000 J/day ÷ 86400 seconds/day = 115.74 J/s

The person's average power is the energy supplied per second, which is:

P = 115.74 J/s ≈ 120 W (rounded to the nearest 10 W)

Therefore, the person's average power is approximately 120 W.

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Extend the life of your __________ by avoiding fast starts, stops and sharp turns.(A) ignition
(B) exhaust
(C) oil filter
(D) tires

Answers

Answer:

Tires.

Explanation:

There are the few steps which are discussed below should be taken to increase or extend the life of tires.

(1) Avoid fast starts: Fast start of the vehicle will increase the pressure on the tires due to the friction between the tires and the road will decrease the life of tires.

(2) Avoid fast stop: Fast stop of the vehicle will also increase the pressure on the tires due to the friction between the tires and the road will decrease the life of tires.

(3) Avoid sharp turns: The alignment of the wheels and tires are in such a way that they work properly when vehicle is drive in a straight path but sharp turn will increase the uneven pressure on the tires will lead to decrease the life of tires.

Therefore, the life of tires can be extend by avoiding all the above mention actions such as fast stop, start and sharp turns.

Final answer:

The life of tires can be extended by avoiding fast starts, stops and sharp turns. These maneuvers cause excessive friction which leads to quicker deterioration. Suitable driving habits can extend the life of the tires.

Explanation:

You can extend the life of your tires by avoiding fast starts, stops, and sharp turns. When a driver performs a fast start, a large amount of friction is produced between the tires and the road, causing the tires to wear faster. The same goes for abrupt stops and sharp turns, which also produce an excess amount of friction, leading to a quicker deterioration of the tires.

Therefore, to extend the life of your tires, it is advisable to drive in a cautious and considerate manner, avoiding fast starts and stops and refraining from making sharp turns whenever possible.

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Define circular motion and give some examples.

Answers

"Circular motion" is motion in a circular path.

-- Any point on the tire of a bicycle or a car that is moving.

-- Any point on the hour, minute, or seconds-hand of an 'analog' clock.

-- The ball in the roulette wheel before it comes to a stop.

-- Any point on the rim of the Wheel of Fortune before it stops.

-- Any point on any propeller of a windmill, when the wind is blowing.

$\green{\huge{\red{\boxed{\green{\mathfrak{QUESTION}}}}}}$

Define Circular motion and its types

$\huge\green{\boxed{\huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}}}$

${ \red{ \bold {\mathbb {\textit{Circular \: motion}}}}}$

MOTION OF THE BODY CIRCULAR PATH IS CALLED CIRCULAR MOTION

FEW IMP POINTS ABOUT IT :-

‌A tengential is always responsible for change in speed
‌If the Direction of acc and velocity is same then body's speed inc
‌If they r in oppsite direction then Body's speed dec .
‌If speed becomes constant then tangential acc become zero .
‌By the basis of tangial acc the circular motion is divided into two types uniform circular motion and non uniform circular motion

${ \blue {\bold{UNIFORM \: CIRCULAR}}} \n \green{ \bold{ MOTION}}$

‌when object in a circular path in a constant speed or constant circular speed is called uniform circular motion.
‌In case of uniform circular motion acc tendial will be zero
‌In case of uniform circular motion acc centripetal will be equal to net acc.

${ \green{ \bold{ NON UNIFORM}}} \n {\blue{ \bold{CIRCULAR \: MOTION}}}$

‌Centripetal acc is not equal net acc
‌Circular acc and tendial acc is not equal to zero .

$\pink{ \huge {\bold{EXAMPLES \ratio- }}}$

Earth revolving around the sun is an example of uniform circular motion
Spinning top rotation on its own axis is example of non uniform circular motion
Rotating/ moving blades of fan etc
a rotating stone lied to a rope

The temperature of a balloon is lowered with liquid nitrogen. The balloon appears to deflate because the A. nitrogen has burst the balloon. B. nitrogen is now inside the balloon. C. balloon has lost energy and condensed. D. gas in the balloon lost energy and condensed.

Answers

The temperature of a balloon is lowered with liquid nitrogen. The balloon appears to deflate because the gas in the balloon lost energy and condensed. The answer is letter D.

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When the temperature is cold, Tim's tires look under-inflated. This is because the air molecules in the tire ________ causing their kinetic energy to _________ and volume to _______..A). slow down, decrease, contract B). multiply, increase, fluctuates. C). stay the same, increase, expand. Eliminate. D). speed up, decrease, stay the same.

Extremely high temperatures and pressures are necessary for fusion reactions to take place in stars. true or false.

Which of the following is true of iambic pentameter?a. It has 14 syllables per line. b. It is divided into a pair of fives. c. It has a stressed syllable followed by an unstressed syllable. d. It is present in both Italian sonnets and Shakespearean sonnets.