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An undersea research chamber is spherical with an external diameterof 4.90 m. The mass of the chamber, when occupied, is61300 kg. It is anchored to the sea bottom by acable.
What is the buoyant force on the chamber?
What is the tension in the cable?
A parallel-plate capacitor is constructed from two 13cm X 13cm electrodes spaced 0.90mm apart. The capacitor plates are charged to ± 20nC, How much energy is stored in the capacitor
A wide beam of white light is incident normal to surface of oil film. An observer looking down at film sees green light that has maximum intensity at wavelength 5.2 x 10^-7m, Calculate speed at which light travels in film
During a ballet performance a ballerina leaps into the air. If the dancer leaped at 90 degrees, what was the dancers initial speed
A spaceship of proper length 310 m takes 0.79 µs to pass an Earth observer. Determine the speed of this spaceship as measured by the Earth observer
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
Suppose you want a capacitor bank with a total capacitance of 1.450 F and you possess numerous 2.50 mF capacitors. What is the smallest number you could hook together to achieve your goal
A parallel-plate air capacitor of area A= 19.0 cm2 and plate separation d= 2.80 mm is charged by a battery to a voltage 58.0 V. how much additional charge will flow from the battery onto the positive plate
The index of refraction for violet light in silica flint glass is 1.65, and that for red light is 1.62. What is the angle of deviation for the red ray passing through a prism of apex angle
find frequencies of vibration of the piano wire. Car 1 has 3 times the mass of car 2, but only 0.5 as much kinetic energy. What is the ratio between the speeds of the two cars (v1/v2)? You must type your answer as a numerical value.
A 4 kg mass is connected to a spring (k = 730 N/m) platform which undergoes simple harmonic motion in the vertical direction. The amplitude of the oscillation is 5 cm. At t=0 the box is 5 cm above the equilibrium position.
A block of rock has dimensions of 2m x 2m x 2m and a density of 3000kg/m^3. The weight of the rock produces a normal stress on its bottom side. Calculate the magnitude of the normal stress on this side.
A highway curve with a radius of 650 m is banked properly for a car traveling 120 km/h. how much sideways force must the tires exert against the road if the car does not ski
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