4 years ago

Which would increase the speed of a sound wave?

Physics

1 answer:

nirvana33 [79]4 years ago

6 0

Answer:

it's option 2 : the medium increases in temperature while remaining in the same phase

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Pls help me with this one. will give brainliest

Dmitry [639]

Answer:

Point A and c

Explanation:

you can know the t is the strongest at either pole of the magnet or closer to pole of the magnet as, which you can see A and C was closest

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3 years ago

A basketball player throws the ball at a 47 angle above the horizontal to a hoop which is located a horizontal distance L = 5.0

FromTheMoon [43]

Answer:

$v_0 =$ 1.71

Explanation:

the parabolic movment is described by the following equation:

$y = tan(a)x-\frac{1}{2v_0^2(cos(a))^2}gx^2$

where y is the height of the ball, a is the angle of launch, $v_0$ the initial velocity, g the gravity and x is the horizontal distance of the ball.

So, if we want that the ball reach the hood, we will replace values on the equation as:

$0.8 = tan(47)(5)-\frac{1}{2v_0^2(cos(47))^2}(9.8)(5)^2$

Finally, solving for $v_0$ , we get:

$v_0=\sqrt{\frac{-9.8(5)^2}{(0.8-tan(47)(5))2cos^2(47)}}$

$v_0 =$ 1.71

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4 years ago

A parsec is a measurement of: magnitude distance position speed

guajiro [1.7K]

A parsec is a measurement of distance.

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3 years ago

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Using your Periodic Table, which element below has the smallest atomic radius? A.) Sodium, B.) Chlorine, C.) Phosphorus, D.) Iro

belka [17]

Chlorine has the smallest atomic radius since the atomic radius decreases as you travel to the right and up

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3 years ago

A force of 20 N acts over an area of 2 m2. What is the pressure?

ycow [4]

$\text{Given that,}\\\\\text{Force, F = 20 N.} ~ \\\\ \text{Area , A = 2 m}^2 . \\\\ \text{Pressure, P =? }\\\\P = \dfrac FA = \dfrac{20}2 = 10~~ \text{Nm}^{-2}$

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3 years ago

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