Question

1.A string with linear density 2.0 g/m is under 500 N of tension. What is the...

1.A string with linear density 2.0 g/m is under 500 N of tension. What is the speed of waves on the string?

Group of answer choices

500 m/s

300 m/s

200 m/s

400 m/s

2.A harmonic wave has angular frequency 250 rad/s and travels at 500 m/s. What is the wave number of the wave?

Group of answer choices

0.50 rad/m

0.60 rad/m

0.70 rad/m

0.80 rad/m

3.When a tuning fork with frequency 256 Hz and a guitar string are sounded together the beat frequency is 5 Hz. After the string is loosened, the beat frequency increases. What was the original frequency of the guitar string?

Group of answer choices

271 Hz

261 Hz

251 Hz

241 Hz

4.If the temperature increases by 90 F°, by how much did it increase in Celsius?

Group of answer choices

160 C°

110 C°

90 C°

50 C°

5.A sample of gas occupies a volume of 3.0 L. There are 0.50 moles and the temperature is 200 K. What is the pressure?

Group of answer choices

250 kPa

340 kPa

280 kPa

310 kPa

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