The maximum allowable noise exposure level for an eight hour period is;
Group of answer choice...
Engineering, 20.04.2020 22:58 brekline12
The maximum allowable noise exposure level for an eight hour period is;
Group of answer choices
Answers: 2
Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 06.07.2019 04:20, nataliastrong3846
Amachine of mass 140 kg is mounted on springs of stiffness 1.4x10° n/m and in parallel witha viscous damper of unknown damping coefficient. the machine is subject to a harmonic excitation of 200sin150t n. the phase angle is measured as 2.58 rad. what is the damping coefficient of the viscous damper?
Answers: 2
Mathematics, 19.02.2020 23:31
Mathematics, 19.02.2020 23:31
Chemistry, 19.02.2020 23:31
Mathematics, 19.02.2020 23:31
Social Studies, 19.02.2020 23:31