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Svetllana [295]
3 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]3 years ago
7 0

C. Nitrogen is a primary gas found in the atmosphere

sp2606 [1]3 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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Answer:

distance

Explanation:

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What is the velocity of the particle when its acceleration is zero?
Zigmanuir [339]
Its velocity would be constant 
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If the net force acting on a moving object CAUSES NO CHANGE IN ITS VELOCITY, what happens to the object's momentum?
SOVA2 [1]

If the net force acting on a moving object causes no change in its velocity, the object's momentum will stay the same.

<h3>What is momentum?</h3>

Momentum of a body in motion refers to the tendency of a body to maintain its inertial motion.

The momentum is the product of its mass and velocity.

This suggests that if the net force acting on a moving object causes no change in its velocity, the momentum of the object will remain the same.

Therefore, if the net force acting on a moving object causes no change in its velocity, the object's momentum will stay the same.

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5 0
1 year ago
A farmer hitches her tractor to a sled loaded with firewood and pulls it a distance
Delvig [45]

(a) The work done by the force applied by the tractor is 79,968.47 J.

(b) The work done by the frictional force on the tractor is 55,977.93 J.

(c) The total work done by  all the forces is 23,990.54 J.

<h3>Work done by the applied force</h3>

The work done by the force applied by the tractor is calculated as follows;

W = Fd cosθ

W = (5000 x 20) x cos(36.9)

W = 79,968.47 J

<h3>Work done by frictional force</h3>

W = Ffd cosθ

W = (3500 x 20) x cos(36.9)

W = 55,977.93 J

<h3>Net work done by all the forces on the tractor</h3>

W(net) = work done by applied force  -  work done by friction force

W(net) = 79,968.47 J -  55,977.93 J

W(net) = 23,990.54 J

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4 0
1 year ago
An fm radio station broadcasts at 98. 6 mhz. What is the wavelength of the radiowaves?.
victus00 [196]

The wavelength of the radio waves is 3.04 cm.

<h3>Calculation:</h3>

λf = c

λ = c/f

where,

λ = wavelength

c = speed of light

f = frequency

Given,

f = 98.6 MHz = 98.6 × 10⁶

c = 3 × 10⁸

To find,

λ =?

Put the values in the formula,

λ = c/f

λ = 3 × 10⁸/98.6 × 10⁶

  = 0.0304 × 10²  m

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Therefore, the wavelength of the radio waves is 3.04 cm.

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1 year ago
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