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algol13
4 years ago
8

Where are some of Earth's youngest rocks found?

Physics
1 answer:
Over [174]4 years ago
4 0
No the answer is C at the seafloor spreading centers
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What creates voltage difference in a battery?
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<span>Electrolyte is a chemical medium that allows the flow of electrical charge between the cathode and anode.</span>
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3 years ago
During World War II, it was found that r, the radius of the shockwave produced during an atomic bomb explosion, depends on the e
cupoosta [38]

The atomic bomb explosion, depends on the energy released, W, the elapsed time, t, and the air density which altogether lead to the vaporisation of the contents within the mushroom cloud created.

<h3>What is an atomic bomb?</h3>

An atomic bomb is type of nuclear weapon that releases a vast amount of energy upon explosion in the form of fission reaction.

During an explosion of atomic bomb, a cloud of mushroom fire is formed which vaporises anything found within it. The extent of destruction depends on:

  • energy released, W,

  • the elapsed time, t, and

  • the air density.

Therefore, the atomic bomb explosion, depends on the energy released, W, the elapsed time, t, and the air density which altogether lead to the vaporisation of the contents within the mushroom cloud created.

Learn more about nuclear energy here:

brainly.com/question/24295936

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7 0
2 years ago
a stone is thrown horizonttaly from a cliff of a hill with an initial velocity of 30m/s it hits the ground at a horizontal dista
ELEN [110]

Answer:

a) Time = 2.67 s

b) Height = 35.0 m

Explanation:

a) The time of flight can be found using the following equation:

x_{f} = x_{0} + v_{0_{x}}t + \frac{1}{2}at^{2}   (1)

Where:

x_{f}: is the final position in the horizontal direction = 80 m

x_{0}: is the initial position in the horizontal direction = 0

v_{0_{x}}: is the initial velocity in the horizontal direction = 30 m/s

a: is the acceleration in the horizontal direction = 0 (the stone is only accelerated by gravity)

t: is the time =?  

By entering the above values into equation (1) and solving for "t", we can find the time of flight of the stone:  

t = \frac{x_{f}}{v_{0}} = \frac{80 m}{30 m/s} = 2.67 s

b) The height of the hill is given by:

y_{f} = y_{0} + v_{0_{y}}t - \frac{1}{2}gt^{2}

Where:

y_{f}: is the final position in the vertical direction = 0

y_{0}: is the initial position in the vertical direction =?

v_{0_{y}}: is the initial velocity in the vertical direction =0 (the stone is thrown horizontally)            

g: is the acceleration due to gravity = 9.81 m/s²

Hence, the height of the hill is:

y_{0} = \frac{1}{2}gt^{2} = \frac{1}{2}9.81 m/s^{2}*(2.67 s)^{2} = 35.0 m  

I hope it helps you!

5 0
3 years ago
How will you separate mixture of metal and nonmetal objects​
mojhsa [17]
I think it’s by using a magnet because metals are magnetic
7 0
3 years ago
For how long should a force of 100N act on a body of mass 20kg at rest so that it acquires a velocity of 100m/s?​
julia-pushkina [17]

Answer:

20 seconds

Explanation:

7 0
3 years ago
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