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Physics equations/17-Physics of Hearing/Q:echoAndstring/Testbank

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a17PhysHearing_echoString_v1 edit

The temperature is -2 degrees Celsius, and you are standing 0.88 km from a cliff. What is the echo time?

a) 4.238 x 100 seconds
b) 4.576 x 100 seconds
c) 4.941 x 100 seconds
d) 5.335 x 100 seconds
e) 5.761 x 100 seconds

copies
===2===
{<!--a17PhysHearing_echoString_1-->The temperature is -1.3 degrees Celsius, and you are standing 0.89 km from a cliff.  What is the echo time?}
+a) 5.389 x 10<sup>0</sup> seconds
-b) 5.819 x 10<sup>0</sup> seconds
-c) 6.283 x 10<sup>0</sup> seconds
-d) 6.784 x 10<sup>0</sup> seconds
-e) 7.326 x 10<sup>0</sup> seconds
===3===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.9 degrees Celsius, and you are standing 0.77 km from a cliff.  What is the echo time?}
-a) 3.714 x 10<sup>0</sup> seconds
-b) 4.011 x 10<sup>0</sup> seconds
-c) 4.331 x 10<sup>0</sup> seconds
+d) 4.676 x 10<sup>0</sup> seconds
-e) 5.049 x 10<sup>0</sup> seconds
===4===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.7 degrees Celsius, and you are standing 0.58 km from a cliff.  What is the echo time?}
-a) 2.797 x 10<sup>0</sup> seconds
-b) 3.02 x 10<sup>0</sup> seconds
-c) 3.261 x 10<sup>0</sup> seconds
+d) 3.521 x 10<sup>0</sup> seconds
-e) 3.802 x 10<sup>0</sup> seconds
===5===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.9 degrees Celsius, and you are standing 0.76 km from a cliff.  What is the echo time?}
-a) 3.395 x 10<sup>0</sup> seconds
-b) 3.666 x 10<sup>0</sup> seconds
-c) 3.959 x 10<sup>0</sup> seconds
-d) 4.274 x 10<sup>0</sup> seconds
+e) 4.615 x 10<sup>0</sup> seconds
===6===
{<!--a17PhysHearing_echoString_1-->The temperature is -1.4 degrees Celsius, and you are standing 0.94 km from a cliff.  What is the echo time?}
-a) 4.883 x 10<sup>0</sup> seconds
-b) 5.272 x 10<sup>0</sup> seconds
+c) 5.693 x 10<sup>0</sup> seconds
-d) 6.147 x 10<sup>0</sup> seconds
-e) 6.637 x 10<sup>0</sup> seconds
===7===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.4 degrees Celsius, and you are standing 0.94 km from a cliff.  What is the echo time?}
-a) 4.53 x 10<sup>0</sup> seconds
-b) 4.892 x 10<sup>0</sup> seconds
-c) 5.282 x 10<sup>0</sup> seconds
+d) 5.703 x 10<sup>0</sup> seconds
-e) 6.158 x 10<sup>0</sup> seconds
===8===
{<!--a17PhysHearing_echoString_1-->The temperature is -3 degrees Celsius, and you are standing 0.66 km from a cliff.  What is the echo time?}
-a) 2.949 x 10<sup>0</sup> seconds
-b) 3.184 x 10<sup>0</sup> seconds
-c) 3.438 x 10<sup>0</sup> seconds
-d) 3.713 x 10<sup>0</sup> seconds
+e) 4.009 x 10<sup>0</sup> seconds
===9===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.3 degrees Celsius, and you are standing 0.62 km from a cliff.  What is the echo time?}
-a) 3.226 x 10<sup>0</sup> seconds
-b) 3.483 x 10<sup>0</sup> seconds
+c) 3.761 x 10<sup>0</sup> seconds
-d) 4.061 x 10<sup>0</sup> seconds
-e) 4.385 x 10<sup>0</sup> seconds
===10===
{<!--a17PhysHearing_echoString_1-->The temperature is -2.1 degrees Celsius, and you are standing 0.83 km from a cliff.  What is the echo time?}
+a) 5.033 x 10<sup>0</sup> seconds
-b) 5.435 x 10<sup>0</sup> seconds
-c) 5.868 x 10<sup>0</sup> seconds
-d) 6.336 x 10<sup>0</sup> seconds
-e) 6.842 x 10<sup>0</sup> seconds

a17PhysHearing_echoString_v1 edit

While standing 0.88 km from a cliff, you measure the echo time to be 5.069 seconds. What is the temperature?

a) 2.72 x 101Celsius
b) 3.15 x 101Celsius
c) 3.63 x 101Celsius
d) 4.19 x 101Celsius
e) 4.84 x 101Celsius

copies
===2===
{<!--a17PhysHearing_echoString_2-->While standing 0.89 km from a cliff, you measure the echo time to be 5.227 seconds.  What is the temperature?}
+a) 1.58 x 10<sup>1</sup>Celsius
-b) 1.83 x 10<sup>1</sup>Celsius
-c) 2.11 x 10<sup>1</sup>Celsius
-d) 2.44 x 10<sup>1</sup>Celsius
-e) 2.81 x 10<sup>1</sup>Celsius
===3===
{<!--a17PhysHearing_echoString_2-->While standing 0.77 km from a cliff, you measure the echo time to be 4.442 seconds.  What is the temperature?}
-a) 1.48 x 10<sup>1</sup>Celsius
-b) 1.71 x 10<sup>1</sup>Celsius
-c) 1.98 x 10<sup>1</sup>Celsius
-d) 2.28 x 10<sup>1</sup>Celsius
+e) 2.63 x 10<sup>1</sup>Celsius
===4===
{<!--a17PhysHearing_echoString_2-->While standing 0.58 km from a cliff, you measure the echo time to be 3.38 seconds.  What is the temperature?}
-a) 1.53 x 10<sup>1</sup>Celsius
-b) 1.76 x 10<sup>1</sup>Celsius
+c) 2.03 x 10<sup>1</sup>Celsius
-d) 2.35 x 10<sup>1</sup>Celsius
-e) 2.71 x 10<sup>1</sup>Celsius
===5===
{<!--a17PhysHearing_echoString_2-->While standing 0.76 km from a cliff, you measure the echo time to be 4.339 seconds.  What is the temperature?}
-a) 2.83 x 10<sup>1</sup>Celsius
+b) 3.26 x 10<sup>1</sup>Celsius
-c) 3.77 x 10<sup>1</sup>Celsius
-d) 4.35 x 10<sup>1</sup>Celsius
-e) 5.03 x 10<sup>1</sup>Celsius
===6===
{<!--a17PhysHearing_echoString_2-->While standing 0.94 km from a cliff, you measure the echo time to be 5.522 seconds.  What is the temperature?}
+a) 1.57 x 10<sup>1</sup>Celsius
-b) 1.81 x 10<sup>1</sup>Celsius
-c) 2.09 x 10<sup>1</sup>Celsius
-d) 2.41 x 10<sup>1</sup>Celsius
-e) 2.79 x 10<sup>1</sup>Celsius
===7===
{<!--a17PhysHearing_echoString_2-->While standing 0.94 km from a cliff, you measure the echo time to be 5.418 seconds.  What is the temperature?}
-a) 2.33 x 10<sup>1</sup>Celsius
+b) 2.69 x 10<sup>1</sup>Celsius
-c) 3.1 x 10<sup>1</sup>Celsius
-d) 3.58 x 10<sup>1</sup>Celsius
-e) 4.14 x 10<sup>1</sup>Celsius
===8===
{<!--a17PhysHearing_echoString_2-->While standing 0.66 km from a cliff, you measure the echo time to be 3.768 seconds.  What is the temperature?}
+a) 3.26 x 10<sup>1</sup>Celsius
-b) 3.77 x 10<sup>1</sup>Celsius
-c) 4.35 x 10<sup>1</sup>Celsius
-d) 5.03 x 10<sup>1</sup>Celsius
-e) 5.81 x 10<sup>1</sup>Celsius
===9===
{<!--a17PhysHearing_echoString_2-->While standing 0.62 km from a cliff, you measure the echo time to be 3.648 seconds.  What is the temperature?}
+a) 1.47 x 10<sup>1</sup>Celsius
-b) 1.7 x 10<sup>1</sup>Celsius
-c) 1.97 x 10<sup>1</sup>Celsius
-d) 2.27 x 10<sup>1</sup>Celsius
-e) 2.62 x 10<sup>1</sup>Celsius
===10===
{<!--a17PhysHearing_echoString_2-->While standing 0.83 km from a cliff, you measure the echo time to be 4.832 seconds.  What is the temperature?}
-a) 1.57 x 10<sup>1</sup>Celsius
-b) 1.81 x 10<sup>1</sup>Celsius
+c) 2.09 x 10<sup>1</sup>Celsius
-d) 2.42 x 10<sup>1</sup>Celsius
-e) 2.79 x 10<sup>1</sup>Celsius

a17PhysHearing_echoString_v1 edit

What is the speed of a transverse wave on a string if the string is 1.11 m long, clamped at both ends, and harmonic number 4 has a frequency of 611 Hz?

a) 1.57 x 102 unit
b) 1.91 x 102 unit
c) 2.31 x 102 unit
d) 2.8 x 102 unit
e) 3.39 x 102 unit

copies
===2===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 0.68 m long, clamped at both ends, and harmonic number  3 has a frequency of 756 Hz?}
+a) 3.43 x 10<sup>2</sup> unit
-b) 4.15 x 10<sup>2</sup> unit
-c) 5.03 x 10<sup>2</sup> unit
-d) 6.09 x 10<sup>2</sup> unit
-e) 7.38 x 10<sup>2</sup> unit
===3===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 0.94 m long, clamped at both ends, and harmonic number  5 has a frequency of 715 Hz?}
-a) 1.83 x 10<sup>2</sup> unit
-b) 2.22 x 10<sup>2</sup> unit
+c) 2.69 x 10<sup>2</sup> unit
-d) 3.26 x 10<sup>2</sup> unit
-e) 3.95 x 10<sup>2</sup> unit
===4===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 1.19 m long, clamped at both ends, and harmonic number  6 has a frequency of 834 Hz?}
-a) 2.25 x 10<sup>2</sup> unit
-b) 2.73 x 10<sup>2</sup> unit
+c) 3.31 x 10<sup>2</sup> unit
-d) 4.01 x 10<sup>2</sup> unit
-e) 4.86 x 10<sup>2</sup> unit
===5===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 0.5 m long, clamped at both ends, and harmonic number  4 has a frequency of 316 Hz?}
+a) 7.9 x 10<sup>1</sup> unit
-b) 9.57 x 10<sup>1</sup> unit
-c) 1.16 x 10<sup>2</sup> unit
-d) 1.4 x 10<sup>2</sup> unit
-e) 1.7 x 10<sup>2</sup> unit
===6===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 1.13 m long, clamped at both ends, and harmonic number  5 has a frequency of 409 Hz?}
-a) 1.26 x 10<sup>2</sup> unit
-b) 1.53 x 10<sup>2</sup> unit
+c) 1.85 x 10<sup>2</sup> unit
-d) 2.24 x 10<sup>2</sup> unit
-e) 2.71 x 10<sup>2</sup> unit
===7===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 1.05 m long, clamped at both ends, and harmonic number  5 has a frequency of 110 Hz?}
-a) 3.15 x 10<sup>1</sup> unit
-b) 3.81 x 10<sup>1</sup> unit
+c) 4.62 x 10<sup>1</sup> unit
-d) 5.6 x 10<sup>1</sup> unit
-e) 6.78 x 10<sup>1</sup> unit
===8===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 0.58 m long, clamped at both ends, and harmonic number  4 has a frequency of 543 Hz?}
-a) 8.86 x 10<sup>1</sup> unit
-b) 1.07 x 10<sup>2</sup> unit
-c) 1.3 x 10<sup>2</sup> unit
+d) 1.57 x 10<sup>2</sup> unit
-e) 1.91 x 10<sup>2</sup> unit
===9===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 0.45 m long, clamped at both ends, and harmonic number  4 has a frequency of 996 Hz?}
-a) 1.53 x 10<sup>2</sup> unit
-b) 1.85 x 10<sup>2</sup> unit
+c) 2.24 x 10<sup>2</sup> unit
-d) 2.72 x 10<sup>2</sup> unit
-e) 3.29 x 10<sup>2</sup> unit
===10===
{<!--a17PhysHearing_echoString_3-->What is the speed of a transverse wave on a string if the string is 1.05 m long, clamped at both ends, and harmonic number  5 has a frequency of 153 Hz?}
-a) 5.3 x 10<sup>1</sup> unit
+b) 6.43 x 10<sup>1</sup> unit
-c) 7.79 x 10<sup>1</sup> unit
-d) 9.43 x 10<sup>1</sup> unit
-e) 1.14 x 10<sup>2</sup> unit
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