Q. A 40.00 cm tall, 4.0 cm diameter cylindrical beaker is filled to its brim with water.
What is the downward force of the water on the bottom of beaker?
Q. On a workday the average decibel level of a busy street is 72.0 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 50 every minute on a weekend, what is the decibel level of street?