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Svetllana [295]
4 years ago
12

Which of the choices below is one of the primary gases found in the atmosphere? A. Helium B. Carbon Dioxide C. Nitrogen D. Argon

Physics
2 answers:
Goshia [24]4 years ago
7 0

C. Nitrogen is a primary gas found in the atmosphere

sp2606 [1]4 years ago
3 0

Answer:

Nitrogen - 78%

Explanation:

Our atmosphere is a combination of many different types of gases. The gases that are present in our atmosphere are as follows :

(1) Oxygen - 21 %

(2) Nitrogen - 78 %  

(3) Carbon dioxide - 0.04 %

(4) Argon - 0.93 %  

The amount of other gases like neon, methane hydrogen etc are very small.

Hence, the primary gases that found in the atmosphere is (c) " nitrogen ".            

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Different forces were applied to five balls, and each force was applied for the same amount of time. The data is in the table. A
Annette [7]

The magnitude of impulse on Ball A will become twice (doubles). Hence, option (c) is correct.

Impulse:

The effect of applied force acting for a very small interval of time is known as Impulse.

Given data:

The initial magnitude of the force on Ball A is, F = 50 N.

The time interval for the applied force on Ball A is, t = 1.25 s.

And the impulse at initial on ball A is, I = 62.5 N-s.

Now, if force on ball A doubles, which means new magnitude of force is,

F' = 2F

F' = 2 × 50

F' = 100 N

For same time interval, the new impulse on Ball A is given as,

I' = F' × t

Solving as,

I' = 100 × 1.25

I' = 125 N-s

Taking the ratio of both the impulses as,

I' / I = 125/62.5

I' = 2 I

Thus, we can conclude that the magnitude of impulse on Ball A will become twice (doubles). Hence, option (c) is correct.

Learn more about the impulse here:

brainly.com/question/904448

7 0
3 years ago
3. What factors can contribute to an infant's ability to develop sensory competencies?
marta [7]

Answer:

Explanation:

Here's how to stimulate your baby's senses in age-appropriate ways:

Decorate the nursery with colorful, bold patterns. ...

Play hand games. ...

Use "baby talk." Studies have shown that the sing-song, fluctuating tones mothers use to talk to their babies are important for language development. ...

Hold your baby as much as possible.

7 0
3 years ago
You must drink 16 oz of Gatorade every 15 minutes of aerobic exercise in order to achieve benefits
Mekhanik [1.2K]
<span>False. Water is the best and the only hydrating property that should be consumed prior to any exercise. Gatorade is good to take while doing exercise or after to give you a boost of energy but should never be consumed excessively. These drinks can increase your heart rate and in my opinion are no substitute for water.</span>
3 0
3 years ago
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What is your average velocity after going 15 meters east followed by 20 meters
adelina 88 [10]

Answer:

0.5 m/s

Explanation:

Velocity = displacement/time taken

going 15 meters east and then 20 meters west gives a displacement of 5 meters.

Velocity v = 5/10

= 0.5 m/s

7 0
3 years ago
The gravitational field strength due to its planet is 5N/kg What does it mean?
Dominik [7]

Answer:

The weight of an object is the force on it caused by the gravity due to the planet. The weight of an object and the gravitational field strength are directly proportional. For a given mass, the greater the gravitational field strength of the planet, the greater its weight.

Weight can be calculated using the equation:

weight = mass × gravitational field strength

This is when:

weight (W) is measured in newtons (N)

mass (m) is measured in kilograms (kg)

gravitational field strength (g) is measured in newtons per kilogram (N/kg)

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