Discover Questions

Calculate the intensity level of sound in decibels at a distance of 5 m from the sound source where the power of sound is 8 pico W/m2.? Tina has 20 rings. In how many ways can she select a set of 3 rings?
A.) 1140
B.) 1000
C.) 950
D.) 850? If h= planck’s constant, the de brigle wavelength...? If my grade on blackboard is 987/1000, what is my actual grade? What is the suffix for an alcohol, ester, ether carboxlic acid etc?