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Lord Rayleigh was able to estimate the size of an oil molecule by allowing a small drop of oil (of mass 8.0 x 10^-4 g and density0.90 g/cm^3) to spread out over the surface of a water pond. He observed that the maximum area covered was 0.55 m^2. Assuming that this maximum area corresponds to a mono-layer of oil (i.e. a layer one molecule thick), estimation the size of the oil molecule from Lord Rayleigh's experiment.
A small plane is flying directly west with an airspeed of 34.0 m/s. The plane flies into a region where the wind is blowing at 11.0 m/s at an angle of 33° to the south of west. what is the ground speed of the airplane
A block of mass 12.0kg slides from rest downa frictionless 35.0 degree incline and is stopped by a strongspring with k=3.00x10 the 4th N/m. how far has the spring been compressed
A rectangular coil of 100 turns measure 40cm by 20cm. This coil is placed next to an electromagnet which is switched on, what are the induced voltage and current in the coil
Tsunamis are deep ocean waves that usually result from the undersea earthquakes or landslides. What is the tsunami's wavelength
Picture a wave with crests every 1.8m apart. If a crestpasses you every 2.6s, what is the propagation speed of the wave?
Estimate the force P to accelerate the 80 - Ib block at 6ft/sec2 to the right.
By how much will the earth slow down if its two ice caps melt. Find out how much water the two ice caps contain
a 3.0 cm wire carrying a current of 10 a is placed inside a solenoid perpendicular to its axis. the magnetic field
An astronomical telescope is designed with an overall magnification of 80x. The objective has a focal length of 98.0 cm. What should be the focal length of the eyepiece
A 65.0 kg bungee jumper steps off abridge with a light bungee cord tied to her and to the bridge. Theunstretched length of the cord is 11.0m. She reaches the bottom of her motion 36.0 m below the bridge before bouncing back.
Water is pumped steadily out of a flooded basement at a speedof 5.5 m/s through a uniform hose of radius 1.1 cm. What is the power of the pump
An airplane is flying with a velocity of 83.0 at an angle of 25.0 above the horizontal. When the plane is a distance 114 directly above a dog that is standing on level ground, the suitcase drops out of the luggage compartment.
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