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GREYUIT [131]
3 years ago
10

What feature on earth plays a role in the carben cycle similar to that of forests? explain

Physics
1 answer:
andriy [413]3 years ago
3 0
Carbon can be in the atmosphere, water and in organisms 
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An object can have forces acting upon it, but might not accelerate<br><br> True<br> or<br> False?
vivado [14]

Answer:

true

Explanation:

if you apply force to the top of a square it will not move

8 0
3 years ago
which pole of a compass needle points north ? please give simple answer with little explaining if any :)
Mumz [18]
I think the North Pole
If I understand this correctly
6 0
2 years ago
A ball droped from a building. How fast is it traveling after falling 3.55s
algol [13]

Answer:

d = 61.75 m

Explanation:

Given that,

A ball droped from a building.

We need to find how fast is it traveling after falling 3.55 s.

As it is dropped, its initial velocity is equal to 0.

Let d is the distance it covers after falling 3.55 s.

We can use second equation of motion to find d.

d=ut+\dfrac{1}{2}at^2

Here, u = 0 and a =g

d=\dfrac{1}{2}gt^2\\\\d=\dfrac{1}{2}\times 9.8\times (3.55)^2\\\\d=61.75\ m

So, it will cover 61.75 m after falling 3.55 seconds.

4 0
3 years ago
An airplane is fl ying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altit
netineya [11]

Answer:

\theta=41.52^{\circ}

Explanation:

Given that,

Velocity of the  airplane, v = 240 m/s

Angle with horizontal, \theta=30^{\circ}

The altitude of the plane is 2.4 km, d = 2400 m

Vertical speed of the airplane, v_y=v\ sin\theta=240\ sin(30)=120\ m/s

Horizontal speed of the airplane, v_x=v\ cos\theta=240\ sin(30)=207.84\ m/s

So, the equation of the projectile for the flare is given by :

4.9t^2+120t-2400=0

On solving the above equation, we get the value of t as:

t = 13.04 seconds

Horizontal distance travelled,

d=v_x\times t

d=207.84\times 13.04

d = 2710.23 m

Let \theta is the angle with which it hits the target. So,

tan\theta=\dfrac{2400}{2710.23}

\theta=41.52^{\circ}

Hence, this is the required solution.

4 0
3 years ago
Which property makes radio waves most useful for communication? They have low frequencies. They have long wavelengths. They tran
Mila [183]
I think it would be that they have long wavelengths
6 0
3 years ago
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