You decide to impress Grandpa by showing him how fast sound travels. You have a piece of plastic pipe with an adjustable closed end, and a 312 Hz tuning fork. The piece of pipe resonates in the 2nd resonant length when it is adjusted to a length of 81.0 cm. What is the speed of sound on that day?
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In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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A1.5m wire carries a 2 a current when a potential difference of 52 v is applied. what is the resistance of the wire?
Answers: 1
You decide to impress Grandpa by showing him how fast sound travels. You have a piece of plastic pip...
Mathematics, 23.01.2021 07:20
Mathematics, 23.01.2021 07:20
Mathematics, 23.01.2021 07:20
Mathematics, 23.01.2021 07:20
Mathematics, 23.01.2021 07:20