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A flare is dropped from an airplane flying horizontally at uniform velocity (constant speed in a straight line). Neglecting air resistance, the flare will A) quickly lag behind the plane B) remain vertically under the plane C) move ahead of the plane explain.
a nonreflective coating n 1.34 covers the glass n 1.52 of a camera lens. assuming that the coating prevents
The lenes of a particular set of binoculars have a coating with index of refraction n=1.38, If the lenses refelct a wavelength of 540nm the most strongly, what is the minium thinkcness of the coating
In 0.181s, through a distance of 8.05 m, a test pilot's speed decreases from 88.9m/s to 0m/s. If the pilot's mass is 70 kg, how much work is done against his body.
A certain light source is found to emit radiation whose peak value has a frequency of 1.21×1015 Hz. Calculate the temperature of the source
The loaded cab of an elevator has a mass of 2.8 x 103 kg and moves 223 m up the shaft in 26 s at constant speed. Explain at what average rate does the force from the cable do work on the cab?
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. What is the radius of a chamber
In a home laundry dryer, a cylindrical tub containing wet clothes is rotated steadily about a horizontal axis as shown in the figure below. what rate of revolution is needed
Three equal charges are placed at the corners of an equilateral triangle 0.50 m on a side. What are the magnitude of the force on each charge if the charges are each -4.5×10^-9 C?
Two waves of the same frequency have amplitudes 0.961 and 2.16. What is the resultant amplitude
What is the bulk modulus of a fluid in which 2 kg occupies 10-3 m3 of volume and the speed of sound in the fluid is 1900 m/s
Describe Erikson, Levinson, cognitive developmental theorists, Kohlberg, behavioral theorists, Bronfenbrenner, Holland, the eclectic theory, and composite theory.
Photographic cameras on spy satellites supposedly can read the license plate of a car on the ground. How large is the diameter of the camera required for such a feat
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