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4 years ago

What is the study of the ocean called

Physics

2 answers:

Nuetrik [128]4 years ago

8 0

Oceanology is your answer

Dvinal [7]4 years ago

6 0

The answer would be oceanography.

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A 6.00 μFμF capacitor that is initially uncharged is connected in series with a 4.00 ΩΩ resistor and an emf source with EE EMF =

Sindrei [870]

Answer: Rr = 900w

T = 1.66×10^-5s

P = 36.92W

Explanation: please find the attached file for the solution.

3 0

4 years ago

Read 2 more answers

A car drives over a hilltop that has a radius of curvature 120 m at the top of the hill. at what speed would the car be travelin

FinnZ [79.3K]

The speed of a car travelling over a hill that has a radius of curvature should not exceed a certain speed other it will topple. This speed is related to the radius of curvature and the gravitational acceleration as shown below:

V^2 = Rg, where V = maximum speed, R = Radius of curvature, g = gravitational acceleration.

Substituting;
V = Sqrt (Rg) = Sqrt (120*9.81) = 34.31 m/s

6 0

3 years ago

How much electrical potential energy is stored in a capacitor that has 8.0 × 10-10 C of charge on each plate and a potential dif

arsen [322]

THere is a standard relationship that gives this result where the capacity of the capacitor is used:
$E=1/2* \frac{Q^2}{C}$ .
We know though that Q/c=V and thus we can use the relationship:
E=Q*V/2 where we have just substituted in. If we also take into account that Q=VC, we can also get that E=V^2*C/2.
We are given the charge and the potential, so the best expression to use is the middle one.
Substituting, we get that E=1/2*8*10^(-10)*20=8*10^(-9).

The answer is B

8 0

3 years ago

Vector A= 3.7 i + 1.0 j and vector B = 3.0 i + 6.5 j. What is vector<br> (A-B).A?

kicyunya [14]

Answer:

(A - B).A = -2.91

Explanation:

First, let's define the sum and dot product of vectors.

For two vectors V = (x₁, y₁) and W = (x₂, y₂) we have:

sum (or subtraction):

V + W = (x₁, y₁) + (x₂, y₂) = (x₁ + x₂, y₁ + y₂)

dot product:

V.W = (x₁, y₁).(x₂, y₂) = x₁*x₂ + y₁*y₂

Here remember the notation:

V = x₁*i + y₁*j = (x₁, y₁)

Now let's solve our problem, we have:

A = (3.7, 1.0)

B = (3.0, 6.5)

Then:

(A - B).A = ( (3.7, 1.0) - (3.0, 6.5) ).(3.7, 1.0)

= (3.7 - 3.0, 1.0 - 6.5).(3.7, 1.0)

= (0.7, -5.5).(3.7, 1.0) = (0.7*3.7) + (-5.5)*(1.0) = -2.91

8 0

3 years ago

Assume that on a physics diagram, you saw a croquet ball moving along the grass and above it was an arrow labeled "3.5 m/s" that

Nady [450]

In my opinion, the answer is D, bc a vector is <span>a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another. Therefore giving the direction and speed. hope this helps, have a nice day :)</span>

8 0

3 years ago