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A physicist visits a wealthy friend (marketing major) who has a swimming pool. The physicist (a theoretician) accidentally spills a few drops of suntan lotion and a thin oil film (n = 1.26) spreads over the water. The physicist observes that there is maximum reflection for light of wavelength 602 nm at normal incidence. Calculate the minimum thickness of the oil film.
A laser beam of unknown wavelength passes through a diffraction grating having 5460lines/cmafter striking it perpendicularly. At what angle will the next pair of bright spots occur
A pendulum is made with a 4.00 kg mass suspended at the end of a thin rod, What is the length of the thin rod
Two parallel current carrying wires are separated by 12 cm and each are 50 cm in length. Determine the Force acting on each wire due to the other one
A VW Beetle goes from 0 to 102 mi/h with an acceleration of +6.59 m/s2. A top-fuel dragster can go from 0 to 102 mi/h in 1.52 s. What is the acceleration (in m/s2) of the dragster
A 10cm long animal tendon was found to stretch3.8mm by a force of13.0N. The tendon was approximately round with an average diameter of 8.0mm
A polar bear starts at the North Pole. It travels 1.0 km south, then 1.0 km east, then 1.0 km north, What was the bear's average velocity
Water moves through a constricted pipe in steady, ideal flow. At the lower point the pressure is 1.65 105 Pa and the pipe radius is 2.60 cm. Find the volume flow rate through the pipe
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
Suppose a soccer player kicks the ball from a distance 21.5 m toward the goal. Find the initial speed of the ball
What is the magnitude of the negative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a net force of zero?
To kick a football, the kicker rotates his leg about the hip joint. If the velocity of the the kickers shoe is 30.3 m / s and the hip joint is 1.24 m from the tip of the shoe, what is the shoe tip\'s angular velocity
A 16.1-m length of hose is wound around a reel, which is initially at rest. The moment of inertia of the reel is 0.42 kg · m2, and its radius is 0.174 m. how long does it take to completely unwind the hose from the reel
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