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3 years ago

What at the bottom of the ocean? take that! detailed answer!!!

2 answers:

4 0

Answer: Essentially, no one is certain of the things that lie at the bottom of the sea. The oceans deepest darkest deep depths have proven more challenging to reach than traveling to the moon. In all of human history, 12 people have reached the moon, while only three have reached the bottom of the deepest part of the ocean: the Challenger Deep. The deepest point- located within the Marina Trench, reaches nearly 10,000 meters deep- beyond the depths which light can reach.

Explanation:

Alik [6]3 years ago

3 0

Answer:

Unlike mapping the land, we can't measure the landscape of the sea floor directly from satellites using radar, because sea water blocks those radio waves. But satellites can use radar to measure the height of the sea's surface very accurately.

Explanation:

94 percent of the ocean is still unexplored so thats it

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7. 100 Joules of work was done to move an object with a force of 15 N. How far did the

worty [1.4K]

Answer:Distance=6.67 (rounded)

Explanation: Work = Force x Distance.

100 Joules of work= force of 15 N x Distance (?)

The work equation given above can be rearranged to find force or distance if the other variables are known:

Distance=Work / force

Distance=100Joules/15 N

Distance=6.67 (rounded)

7 0

3 years ago

20 points**plz help

RSB [31]

Explanation:

the speed of the motor can be increased by increasing the strength magnetic field increasing the current flowing through the coil.

5 0

3 years ago

A 15 C point charge is located on the yaxis at (0, 0.25). A second charge of 10 C is located on the x-axis at (0.25, 0). If th

igomit [66]

Answer:

10.8 N

Explanation:

The question requires the force between them, hence, we only need the magnitude of the force without considering what direction it's acting.

Parameters given:

Q1 = 15 * 10^(-6) C

Q2 = 10 * 10^(-6) C

The diagram explains better.

The electrostatic force BETWEEN Q1 and Q2 is:

F = (k * Q1 * Q2)/r²

Using Pythagoras theorem:

r² = 0.25² + 0.25² = 0.0625 + 0.0625

r² = 0.125

=> F = [9 * 10^9 * 15 * 10^(-6) * 10 * 10^(-6)]/0.125

F = 1.35/0.125

F = 10.8 N

7 0

3 years ago

* A ball is projected horizontally from the top of

bagirrra123 [75]

Explanation:

Given

Ball is projected horizontally from a building of height $h=19.6\ m$

time taken to reach ground is given by

$\text{Cosidering vertical motion}\\\Rightarrow h=ut+0.5at^2\\\Rightarrow 19.6=0+0.5\times 9.8t^2\\\Rightarrow t^2=4\\\Rightarrow t=2\ s$

(b) Line joining the point of projection and the point where it hits the ground makes an angle of $45^{\circ}$

From the figure, it can be written

$\Rightarrow \tan 45^{\circ}=\dfrac{h}{x}\\\\\Rightarrow x=h\cdot 1\\\Rightarrow x=19.6$

Considering horizontal motion

$\Rightarrow x=u_xt\\\Rightarrow 19.6=u_x\times 4\\\Rightarrow u_x=4.9\ m/s$

$\Rightarrow v^2-u_y^2=2as\\\Rightarrow v^2-0=2\times 9.8\times 19.6\\\Rightarrow v=\sqrt{384.16}\\\Rightarrow v=19.6\ m/s$

Thus, the ball strikes with a vertical velocity of $19.6\ m/s$

6 0

3 years ago

Read 2 more answers

Why the earth is not in thermal equilibrium with the sun?

mr_godi [17]

Changes in the earths ability to reflect sunlight (called the 'albeido') due to clouds and other weather like ice formations set up feedback loops that prevent a perfect equlibrium with the sun.

4 0

4 years ago