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The sound intensity at a distance of 17 m from a noisy generator is measured tobe 0.21 W/m2. Whatis the sound intensity at a distance of 27 m from the generator?
70. A reaction has a rate constant of 0.000122/s at 27 °C and 0.228/s at 77 °C. a. Determine the activation barrier for the reaction. b. What is the value of the rate constant at 17 °C?
Two forces act on a moving object that has a mass of 27 kg. One has a magnitude of 12 N and points due south, while the other has a magnitude of 17 N and points due west. What is the acceleration (magnitude and direction) of the object?
