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Sav [38]
3 years ago
15

The following table lists the speed of sound in various materials. Use this table to answer the question.

Physics
2 answers:
Lisa [10]3 years ago
7 0

Answer: it will travel slowest in air.

aksik [14]3 years ago
4 0

Answer:

Sound will travel the slowest in Air

Explanation:

The higher the m/s is, the faster the sound travels

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A heating element on an electric range operating at 200. v has a resistance of 32.0 ohms. the current drawn by the element is
LenaWriter [7]

Answer:

6.25 A

Explanation:

We cant find the current drawn by the element by using Ohm's law:

V=RI

where

V is the potential difference across the resistance of the element

R is the resistance

I is the current

In this problem, we know

V = 200 V

R=32.0 \Omega

Therefore we can re-arrange the equation and solve for the current:

I=\frac{V}{R}=\frac{200}{32}=6.25 A

4 0
3 years ago
What information is needed to determine the orientation of an orbital?
kolbaska11 [484]

Answer:

The magnetic quantum number (l) determines the orientation of an orbital

Explanation:

The magnetic quantum number of an electron's orbital is the spatial orientation of the electron's orbital

The magnetic quantum number, ml, specifies the orientation and number of orbitals of electrons in a subshell. The value of the magnetic quantum number is dependent on the angular momentum quantum number I with values ranging from -I to +I.

The shape of the electron's orbital is determined by the angular momentum quantum number.

8 0
3 years ago
A stationary hockey puck has a mass of 0.27 kg. A hockey player uses her stick to apply a 18 N force over a distance of 0.42 m.
jeka57 [31]
W=Fs
W=18(0.42)
W=7.56

Answer: 7.6 J (first option)
3 0
3 years ago
Satellite A has an orbital radius 3.00 times greater than that of satellite B. Satellite B's orbital period around Earth is 120
igomit [66]

Answer:

To find the circumference (orbit) of an object, you use Pi x Diameter. 

As you have the circumference of B, you divide it by Pi to get the Diameter. 

So 120 divided by 3.141592654 = 38.2 minutes for the Diameter. 

As' radius and Diameter will be 3x greater than B. 

38.2 x 3 = 114.6 

To get back to the orbital period, times 114.6 by Pi, and you will get 360 minutes

HOPE THIS HELPS AND PLS MARK AS BRAINLIEST

THNXX :)

7 0
3 years ago
A 22 µF capacitor charged to 0.7 kV and a second 115 µF capacitor charged to 5.5 kV are connected to each other, with the positi
vesna_86 [32]

Answer:

0.099C

Explanation:

First, we need to get the common potential voltage using the formula

V=\frac {C_2V_2-C_1V_1}{C_1+C_2}

Where V is the common voltage, C and V represent capacitance and charge respectively. Subscripts 1 and 2 to represent the the first and second respectively. Substituting the above with the following given values then

C_1=22\times 10^{-6} F\\ C_2=115\times 10^{-6} F\\ V_1= 0.7\times 10^{3}\\V_2=5.5\times 10^{3}

Therefore

V=\frac {115\times 10^{-6}\times 5.5\times 10^{3}-22\times 10^{6}\times 0.7\times 10^{3}}{22\times 10^{-6}+115\times 10^{-6}}=4504.3795620437

Charge, Q is given by CV hence for the first capacitor charge will be Q_1=C_1V

Here, Q_1=22\times 10^{-6}\times 4504.3795620437=0.0990963503649C\approx 0.099C

8 0
3 years ago
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