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Light waves are electromagnetic waves that travel at 3.00 108 m/s. The eye is most sensitive to light having a wavelength of 5.50 10-7 m.
(a) Find the frequency of this light wave.
Hz
(b) Find its period.
s
A 50 kg diver has an angular velocity of 6 rad/s about her medial-lateral axis of rotation when she leaves the board in a layout position, what is her radius of gyration in the tuck positions
A horizontal power line of length 52 m carries a current of 1.4 kA, find direction of the magnetic force on the power line
Consider a makeup mirror that produces a magnification of 1.7 when a person's face is 12.5 cm away. What is the focal length of the makeup mirror in m
The label on a candy bar says 480 Calories. Assuming a typical efficiency for energy use by the body, if a 62 person were to use the energy in this candy bar to climb stairs, how high could she go?
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
If the sphere is enclosed in a room whose walls are kept at -5°C, what is the net flow rate of energy out of the sphere
An object with a mass of 5.5 kg is allowed to slide from rest down an inclined plane. What is the speed of the object at the bottom of the plane
A thin stream of water flows smoothly from a faucet and falls straight down. At one point the water is flowing at a speed of v1 = 1.15 m/s. What is the vertical distance h between these two points
Calculate the cutoff frequency of the dominant mode and determine how many modes are passed at three times cutoff frequency of dominant mode and calculate the cutoff frequency of the dominant mode
A concave spherical mirror with a focal length of 15cm forms an upright image that is 5 times larger than the original object
During the same interval, a 34 kg greyhound can accelerate from rest to 23 m/s. Calculate (a) the change in kinetic energy and (b) the average power output for each.
A circuit consists of a battery connected to three resistors (65?, 26?, and 170?) in parallel. find the current through each resistor
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