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A helium-neon laser beam has a wavelength in air of 633 nm. It takes 1.48 ns for the light to travel through 29 cm of an unknown liquid.
Determine the wavelength of the laser beam in the liquid?
A hardworking ant must supply 0.00805 N to pull a small piece of fruit at constant velocity over a distance of 9.60 cm up a small hill to the entrance of the colony. calculate the work done by the ant by pulling the piece of fruit up the hill
A certain telescope has an objective of focal length 1560 cm. If the Moon is utilized as an object, a 1.4 cm long image formed by the objective corresponds to what distance, in miles, on the Moon? Assume 3.8 multiplied by 108 m for the Earth-Moon dis..
A current of 10.0 mA is maintained in a single circular loop with a circumferenceof 1.60 m. A magnetic fieldof0.550 T is directed parallel tothe plane of the loop. What is the magnitude of the torque exertedby the magnetic field on the loop?
An aluminum cup contains 225 g ofwater and a 40 g copper stirrer, all at 27°C. Calculate the mass of the aluminum cup
A 500kg car traveling due east at 54.0km/h collides head on with a 3000kg van moving at 18.0km/h. calculate the velocity of the combined mass
A mirror on the passenger side of your car is convex and has a radius of curvature with magnitude 18.0 cm. (a) Another car is behind your car, 9.00 m from the mirror, and this car is viewed in the mirror by your passenger
A simple harmonic oscillator consists of a mass of 3 kilogram on a spring of force constant 0.15 N/m. Calculate the frequency of the driving force
Rectangular Loop A rectangular loop (area = 0.15m2) turns in a uniform magnetic field, B =0.17 T. When the angle between the field and the normal to the plane of the loop is π/2 rad andincreasing at 0.70 rad/s, what emf is induced in the loop?
A 3.7 kg block of copper at a temperature of 86°C is dropped into a bucket containing a mixture of ice and water whose total mass is 1.2 kg. How much ice was in the bucket before the copper block was placed in it
A small statue has a height of 3.8 cm and is placed in front of a concave mirror. evaluate the focal length of the mirror
How much does the rocket clear the top of the wall
An ideal refrigerator utilizes a Carnot cycle operating between 0 degrees Celcius and 18 degrees Celcius. How much energy must be supplied to the refrigerator
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