A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 5.0 m

In a load, the load is paralel to the shaft. n a. angular n b. thrust n c radial n d. none of the above

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point