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Tatiana [17]
4 years ago
15

Tides occur in ocean but not in lakes.why?​

Physics
1 answer:
Sholpan [36]4 years ago
8 0

Answer:

The Tides are caused by the gravitational pull of the moon and the sun .... Tides do occur in lakes they just aren't noticible.

Explanation:

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Please select all that would be categorized as vectors
blsea [12.9K]

Answer:

1. 10 ft/s² straight up

2. 4 Km north-west

3. 20 m/s South

Explanation:

To successfully categorize the quantities given above as vectors, we must understand what vector quantity is.

A vector quantity is a quantity that has both magnitude and direction.

Considering the question given above, the vector quantities are:

1. 10 ft/s² straight up

2. 4 Km north-west

3. 20 m/s South

The remaining quantities in the question are not considered as vectors because they only have magnitude but no direction. They are therefore referred to as scalar quantities.

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Waxxing Gibbous Phase
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Applying Kirchhoff’s Junction Rule, what happens to the power source and current when the parallel circuit has two branches, eac
slamgirl [31]

The power source voltage remains the same in a  parallel circuit,

And we'll have equal current in both lines

<h3>Kirchhoff's junction rule</h3>

Generally, Kirchhoff's junction rule states that when there is current flow at any junction of a circuit, the total sum of this current rushing into the junction amount to the same amount of current out of the Node.

Therefore, when the parallel circuit has two branches

i=i1+12

Since we have an equal resistor therefore we'll have equal current in both lines i.e i1=i2

And Voltage remains the same in a  parallel circuit

More on Voltage

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7 0
2 years ago
1. A processor running at 2.5 GHz consumes 60 W of dynamic power and 15 W of leakage power. It briefly enters Turbo-boost mode a
melamori03 [73]

Answer:

  1. P'_{dynamic} = 72.0\ W
  2. P'_{leakage} = 15\ W

Solution:

As per the question:

Initial frequency of the processor, f = 2.5 GHz = 2.5\times 10^{9}\ Hz

Final frequency attained by the processor, f' = 3.0\times 10^{9}\ Hz

Initial dynamic power, P_{dynamic} = 60\ W

Leakage Power, P_{leakage} = 15\ W

Now,

To calculate the Dynamic power, P'_{dynamicand leakage power consumed by the processor:

We know that the dynamic power is in direct proportion to the frequency of the processor:

P_{dynamic} ∝ frequency, f

Thus we can write:

\frac{P'_{dynamic}}{P_{dynamic}} = \frac{f'}{f}

P'_{dynamic} = \frac{f'}{f}\times P_{dynamic

Substituting the appropriate values in the above expression:

P'_{dynamic} = \frac{3.0\times 10^{9}}{2.5\times 10^{9}}\times 60 = 72.0\ W

Now,

We know that the leakage power does not depend on the frequency of the processor and hence remains same.

Thus

P'_{leakage} = P_{leakage} =15\ W

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Which scientist first proposed physical laws to mathematically describe the effect of forces on the motions of bodies?
lora16 [44]
The three laws of motion were first compiled by Isaac Newton.
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