12, where t is the number of hours after high tide. The depth of water in...

 

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12, where t is the number of hours after high tide. The depth of water in a port is modelled by the function d(t) = pcosqt +7.5, for 0ts At high tide, the depth is 9.7 metres. At low tide, which is 7 hours later, the depth is 5.3 metres. Find the value of p. 1b. [2 marks] Find the value of q. 1c. [2 marks] Use the model to find the depth of the water 10 hours after high tide. 12, where t is the number of hours after high tide. The depth of water in a port is modelled by the function d(t) = pcosqt +7.5, for 0ts At high tide, the depth is 9.7 metres. At low tide, which is 7 hours later, the depth is 5.3 metres. Find the value of p. 1b. [2 marks] Find the value of q. 1c. [2 marks] Use the model to find the depth of the water 10 hours after high tide.

Answer rating: 100% (QA)

Given dt pcosqt 75 At high tide t0 the depth is 97m 97 pcos0 75 97 p 7... View the full answer