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Sveta_85 [38]
2 years ago
9

If the refractive index of water is 1.33, then its critical angle is...

Physics
1 answer:
natulia [17]2 years ago
7 0
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tester [92]
Great question the answer is -25x.
3 0
3 years ago
The Old Faithful geyser found in Yellowstone Park is an example of _____.
katen-ka-za [31]

Answer:

cone geyser

Explanation:

The Old Faithful geyser is the oldest discovered geyser in the Yellowstone national park. The eruptions of the geyser are particularly predictable. It is a cone type geyser.

Cone geysers generally have a spout through which the water ejects out. When super heated water in the tube then the water starts to boil and form bubbles of steam, after this process the eruption takes place.

5 0
3 years ago
Match the following items.
Ray Of Light [21]

Answer:

Je ne Sachez que Qu’est-ce que le

8 0
2 years ago
Ann walked 1.5 miles south to her house in 0.5 hours. what is Ann's speed? what is Ann's velocity
ipn [44]

To calculate the speed and velocity of the Ann`s we use the formula,

v= \frac{d}{t}

Here, d is distance and t is time and v if we take it with direction then it is called velocity and if we take it without the direction then it is called speed.

Given d=1.5 miles and t=0.5 hours.

Substituting these values in above equation we get

v=\frac{1.5mi }{0.5 h} = 3 mi/h

As Ann walked towards south direction therefore, Ann`s velocity is 3 mi/h south and her speed is 3 mi/h .

7 0
3 years ago
The current in the wires of a circuit is 180.0 milliamps. If the resistance of the circuit were doubled ( with no change in volt
Troyanec [42]

Answer:

I = 0.09[amp] or 90 [milliamps]

Explanation:

To solve this problem we must use ohm's law, which tells us that the voltage is equal to the product of the voltage by the current.

V = I*R

where:

V = voltage [V]

I = current [amp]

R = resistance [ohm]

Now, we replace the values of the first current into the equation

V = 180*10^-3 * R

V = 0.18*R (1)

Then we have that the resistance is doubled so we have this new equation:

V = I*(2R) (2)

The voltage remains constant therefore 1 and 2 are equals and we can obtain the current value.

V = V

0.18*R = I*2*R

I = 0.09[amp] or 90 [milliamps]

7 0
3 years ago
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