Engineering, 25.10.2019 20:43, ChessieGiacalone
Given an n x m matrix and a dictionary containing k distinct words of length between 1 and 30 symbols, the word search should return all the words you can get from the matrix that are contained in the dictionary. there are rules: you can start from any cell in the matrix and go up, down, to the left, and to the right (not leaving the matrix) to collect letters for the word. your "path" should not cross itself, i. e., a cell in the matrix cannot be visited more than once. you need to return the array of words found. there is no need to return the "paths" for them.
Answers: 2
Engineering, 04.07.2019 18:10, jadeochoa4466
The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
Answers: 2
Engineering, 04.07.2019 19:10, pedropaulofpedrosapp
Tom is having a problem with his washing machine. he notices that the machine vibrates violently at a frequency of 1500 rpm due to an unknown rotating unbalance. the machine is mounted on 4 springs each having a stiffness of 10 kn/m. tom wishes to add an undamped vibration absorber attached by a spring under the machine the machine working frequency ranges between 800 rpm to 2000 rpm and its total mass while loaded is assumed to be 80 kg a) what should be the mass of the absorber added to the machine so that the natural frequency falls outside the working range? b) after a first trial of an absorber using a mass of 35 kg, the amplitude of the oscillation was found to be 10 cm. what is the value of the rotating unbalance? c) using me-3.5 kg. m, find the optimal absorber (by minimizing its mass). what would be the amplitude of the oscillation of the absorber?
Answers: 3
Given an n x m matrix and a dictionary containing k distinct words of length between 1 and 30 symbol...
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