Which property of the coating on fiber-optic strands makes light visible only at the ends of the strands?

A reflectivity

B absorbency

C transparency

D translucency

A power supply maintains a potential difference of 52.3 V 52.3 V across a 1570 Ω 1570 Ω resistor. What is the current in the resistor?

Which type of electromagnetic radiation can not be focused

What is the Ring of Fire? a ring of volcanoes around the Atlantic Basin a circle of mantle plumes around the Pacific Basin a chain of volcanoes that are entirely under water a chain of volcanoes circling the Pacific Basin Description

Which of the following is constant during uniform circular motion? a. velocity b. speed c. displacement d. direction

1.5m = ... ... mm

A car accelerates uniformly from 0 to 15m/s in 5 s. Calculate acceleration.

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is:

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs