Standing waves of frequency 57 Hz are produced on a string that has mass per unit length 0.0160 kg/m. With what tension must the string be stretched between two supports if adjacent nodes in the standing wave are to be 0.71 meters apart?
What will be an ideal response?
Question 2
The intensity of sunlight falling on the earth is about 1.4 kW/m2 (before any gets absorbed by our atmosphere). At what rate does the sun emit light energy? (The earth-sun distance = 1.5 108 km and the earth's radius = 6.4 103 km.)
A) 4.0 1026 W
B) 3.2 1022 W
C) 7.2 1014 W
D) 7.6 108 W
Question 3
Find the speed of an ocean wave whose vertical displacement y as a function of time t is given by y(x,t) = 3.7 cos(2.2x - 5.6t), where all quantities are in SI units.
A) 2.5 m/s
B) 1.9 m/s
C) 3.5 m/s
D) 4.5 m/s
The Mass-Luminosity Relation
Isaac Julien, Ten Thousand Waves.
Processes of the Middle and Upper Troposphere: Rossby Waves and Vorticity
Maple syrup is produced by evaporating most of the water from sap collected from maple trees in
Which of the following is not a unit factor related to a 15.0% aqueous solution