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A honeybee with a mass of 0.175 g sits on one end of a floating 4.18 g popsicle stick.
a.) If the bee walks on the stick with a speed of 1.44 cm/s relative to the still water, what is the speed of the stick relative to the water?
What is the minimum thickness of a nonreflecting film coating (n=1.30) on a glass lens (n=1.50) for wavelength 500 nm
A 25 kg block slides down an inclined ramp. The ramp makes an angle of 165 degrees clockwise from the horizontal. What is the magnitude of the gravitational force on the block
A laser beam of unknown wavelength shines through the two slits and produces a diffraction pattern with dark bands at y1 = 8.9mm, what is the wavelength of the laser light used
calculate the work done by a person pulling a 50kg sled, at constant velocity, along the snow at an angle of 50 degrees from vertical for 5m
An aluminum rod is 18.0 cm long at 20°C and has a mass of 350 g. If 15,000 J of energy is added to the rod by heat, what is the change in length of the rod
After hitting the wall, the ball is moving to the left at -28 i m/s. If the collision lasts .15s, what was the horizontal force exerted by the wall on the ball during impact
A student wants to have $30,000 when he graduates 4 years from now. His grandfather gave him a gift of $10,000. How much must he save each year (to the nearest dollar) if he deposits the $10,000 today
what advantage might there be in using two identical capacitors in parallel connected in series with another parallelpair, rather than using a single capacitor.
A particle with charge 94.5 nC is moving in the region where there is a uniform magnetic field of magnitude 0.45 T pointing in the negative x-direction. What is the magnetic field vector in vector notation
If the air in the tube is replaced with a different gas, the frequency of the fundamental standing wave changes to 60·Hz. What is the speed of sound in this new gas
Water at a gauge pressure of P = 4.8 atm at street level flows into an office building at a speed of 0.98m/sthrough a pipe 5.6 cm in diameter. Calculate the gauge pressure in the pipe on the top floor
A rectangular block of ice 14.0 m on each side and 1.4 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3.
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