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maw [93]
3 years ago
14

Winds tend to rotate in a counter clockwise direction in the ___ (northern or southern) Hemisphere as they move into a low press

ure area.
Physics
2 answers:
lana [24]3 years ago
8 0

Answer:

Winds tend to rotate in a counter clockwise direction in the center of northern and southern hemisphere.

Explanation:

The wind blows clockwise around a high pressure area  in the northern hemisphere and the wind blows counter - clockwise around low pressure.  

In the northern hemisphere High-pressure systems rotate clockwise direction and in the southern hemisphere  low-pressure systems rotate clockwise direction.

 

Troyanec [42]3 years ago
8 0

Answer:

<u>Southern.</u>

Explanation:

In the <em>northern hemisphere</em>, the turn of the earth causes the <u>winds to curve to the right </u>and to the left in the southern hemisphere.  With a<em> high pressure </em>system, the air is <u>forced outward</u> and the Earth's turn eastward creates a clockwise flow.

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pshichka [43]

Answer:

C) Mass of the ball

Explanation:

Independent variable is the variable the researcher changes.

Since Martin is testing the mass of the ball, he'll be using different balls and that is the only thing he changes.

The distance traveled by the ball is the dependent variable since it depends on the mass of the ball.

The height and length of the ramp are the constant variables since that's the only ones that remain the same throughout this experiment.

7 0
3 years ago
A 87 kg man has a total mechanical energy of 1780 J .If he is swinging downward and is currently 1.4 m above the ground, what is
borishaifa [10]

Answer:

6.4m/s

Explanation:

The total mechanical energy of the man is 1780J.

This mechanical energy is the energy due to the motion of the body and it is a form of kinetic energy.

 Also, mass  = 87kg

   Kinetic energy  = \frac{1}{2}   m v²

m is the mass

v is the velocity

           1780  =  \frac{1}{2} x 87 x v²

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4 0
3 years ago
What advantages does a wheel provide?
Marrrta [24]
You can drive a car with it
8 0
3 years ago
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Starting from rest, your friend dives from a high cliff into a deep lake below, yelling in excitement at the thrill of free-fall
Olegator [25]

Answer:

2 seconds

Explanation:

f = Frequency of yell = 919 Hz

\Delta f = Shifted frequency = 55.9 Hz

v = Speed of sound in air = 342 m/s

v_r = Velocity of friend

a = Acceleration due to gravity = 9.81 m/s²

From the Doppler shift formula we have

\dfrac{f+\Delta f}{f}=\dfrac{v}{v-v_r}\\\Rightarrow v_r=v-\dfrac{vf}{f+\Delta f}\\\Rightarrow v_r=342-\dfrac{342\times 919}{919+55.9}\\\Rightarrow v_r=19.61\ m/s

The velocity of the my friend is 19.61 m/s

v=u+at\\\Rightarrow t=\dfrac{v-u}{a}\\\Rightarrow t=\dfrac{19.61-0}{9.8}\\\Rightarrow t=2\ s

The time my friend is in the air is 2 seconds

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3 years ago
Why are bulb filaments made of metals and not wood
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It's because lightbulbs need to carry an electric current within a range of resistance so that the material doesn't without breaking down. 
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