A brand of earplugs reduces the sound intensity level by 27 dB. By what factor do these earplugs reduce the acoustic intensity?

Which of the following describes the measure of current? a. The quality of the charge flow b. The rate at which charge flows c. The ability for something to have a charge flow d. The potential for a charge to flow

Miko is blowing up balloons for her little sisters birthday party one of the balloons slips out of her hand before she ties it off and it shoots through the air until it is empty which statement explains what caused the balloon to accelerate

Explain the effect on corn seedling height of increasing the application amount of gibberellin from 0.05 to 0.50 microgram

Which electromagnetic radiation can be seen with the human eye? ultraviolet rays and visible light infrared rays, visible light, and ultraviolet rays visible light visible light and X-rays

As an aid in working this problem, consult concept simulation 5.2. car a uses tires for which the coefficient of static friction is 1.1 on a particular unbanked curve. the maximum speed at which the car can negotiate this curve is 20 m/s.

A transparent film laminated to a fabric is identified in the study material as a. stretch fabric. b. PVC. c. a skin. d. two-faced fabric

Technician A says that all friction and steel plates in a clutch pack should be replaced during and overhaul. Technician B says that the automatic transmission fluid cooler should always be flushed when a unit is rebuilt or replaced.

Cold water (cp = 4180 J/kg·K) leading to a shower enters a thinwalled double-pipe counterflow heat exchanger at 15°C at a rate of 1.25 kg/s and is heated to 60°C by hot water (cp = 4190 J/kg·K) that enters at 100°C at a rate of 4 kg/s.

Determine the magnitude of the acceleration for the speeding up phase.

The experimenter fom the video rotates on his stool, this time holding his empty hands in his lap. You stand on a desk above him and drop a long, heavy been bag straight down so that it lands across his lap, in his hands. what happens?