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3 years ago

What is the most important factor affecting the movement of water in an ocean?

Physics

2 answers:

insens350 [35]3 years ago

8 0

Answer:

It would be currents. Currents bring cold, rich nutrients to the surface of the water while the warmer and less dense air is getting pushed downward creating a movement of the water. I hope this helps.

arlik [135]3 years ago

6 0

Probably ocean currents since these use heat to move large amounts of water throughout the ocean, and can you make this the brainliest answer

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When two forces are acting a body in opposite direction their resultant become 6N and when they are acting in the same direction

Norma-Jean [14]

Answer:

9 and 3 N

Explanation:

Forces in the same direction sum up to produce the resultant force;

One force subtract the other will give the resultant force when they are in opposite directions;

Lets say one direction is forwards and the opposite backwards;

We have one force, let's say force A, in the forwards direction and another force, force B, acting in the same (forwards) or opposite (backwards) direction;

If B is acting in the same direction, then the resultant force (in this case) will be as follows:

A + B = 12

If B is acting in the opposite direction, then the resultant force will be as follows:
A - B = 6

Summing the two equations will allow us to solve for A:

A + B + (A - B) = 12 + 6

2A = 18

A = 9

Substitute this into either of the above equations and we can solve for B:
(9) - B = 6

B = 9 - 6

B = 3

5 0

2 years ago

Electromagnetic radiation is:

ruslelena [56]

Hello there.

Electromagnetic radiation is:

A- energy that is electric and magnetic

5 0

3 years ago

A 100 kg box as showsn above is being pulled along the x axis by a student. the box slides across a rough surface, and its posit

Anit [1.1K]

Answer:

a) 2 m/s

b) i) $K.E = 50 (1.5t^2 + 2) ^2\\$

ii) $F = 3tm$

Explanation:

The function for distance is $x = 0.5t ^3 + 2t$

We know that:

Velocity = $v= \frac{d}{dt} x$

Acceleration = $a= \frac{d}{dt}v$

To find speed at time t = 0, we derivate the distance function:

$x = 0.5 t^3 + 2t\\v= x' = 1.5t^2 + 2$

Substitute t = 0 in velocity function:

$v = 1.5t^2 + 2\\v(0) = 1.5 (0) + 2\\v(0) = 2$

Velocity at t = 0 will be 2 m/s.

To find the function for Kinetic Energy of the box at any time, t.

$Kinetic \ Energy = \frac{1}{2} mv^2\\\\K.E = \frac{1}{2} \times 100 \times (1.5t^2 + 2) ^2\\\\K.E = 50 (1.5t^2 + 2) ^2\\$

We know that $Force = mass \times acceleration$

$a = v'(t) = 1.5t^2 + 2\\a = 3t$

$F = m \times a\\F= m \times 3t\\F = 3tm$

6 0

3 years ago

The function of an electric motor is to change electrical energy into

Vaselesa [24]

The function of an electric motor is to change electrical energy
into kinetic energy.

Even if you want to use the electric motor to give a heavy weight
a lot of potential energy, by lifting it up onto, say, the roof of a house,
you still have to use the motor to MOVE the weight. So you're still
giving it kinetic energy as an intermediate step..

5 0

3 years ago

You are parking your vehicle downhill next to a curb. how should you position the wheels

REY [17]

When you stop your car headed downhill, turnyour front wheels toward the curb.

8 0

3 years ago