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A film of soapy water (n = 1.33) on top of a sheet of crown glass has a thickness of 220 nm. What wavelength is most strongly reflected if it is illuminated perpendicular to its surface? (This is the apparent color of the soapy film.)
A child with a mass of 57 kg is riding on a merry-go-round. If the child has a speed of 3 m/s and is located 1.4 m from the center of the merry-go-round, what is the child's angular momentum
If the tennis racket and ball are in contact for 9.3 milliseconds, find the average force that the racket exerts on the ball? Define how does this compare to the gravitational force on the ball
A 15 g rifle bullet traveling 205 m/s buries itself in a 3.4 kg pendulum hanging on a 2.6 m long string, which makes the pendulum swing upward in an arc. Find out the vertical and horizontal components of the pendulum's displacement.
A rock is thrown vertically upward with a speed of 17.0 m/s from the roof of a building that is 70.0 m above the ground. Assume free fall. What is the speed of the rock just before it strikes the ground
a ball is thrown down vertically with an initial speed of 22 fts from a height of 34 ft.a what is its speed in fts just
Illustrate what are his weight and mass on earth and in interplanetary space where there are no nearby planetary objects?
A standard baseball has a circumference of approximately 23 cm. If a baseball had the same mass per unit volume as a neutron or a proton, about what would its mass be?
A model of a helicopter rotor has four blades, each of length 3.30 m from the central shaft to the blade tip. The model is rotated in a wind tunnel at a rotational speed of 510 rev/min. What is the linear speed of the blade tip?
a fan is turned off and its angular speed decreases from 8.5 rad/s to 5 rad/s in 5.0s. what is the angular displacement of the fan
A boat clashed on something and fell to the ocean floor, a few years later a few researchers sent a robot and found out that the pressure at the same level as the boat was 413 atm. The density of the seawater was 1025 kg/m cubed. what is the depht of..
Zinc has a work function of 4.30eV. What is the longest wavelength of light that will release an electron from a zinc surface, What is the maximum possible speed of the electron
Light of wavelength 588.0 nm illuminates a slit of width 0.68 mm. Calculate the width of the central maximum
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