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You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 meters per second per second. The pressure at the surface of the water will be 130kPa, and the depth of the water will be 14.2m. The pressure of the air in the building outside the tank will be 92.0kPa.
(A) Find the net downward force on the tank's flat bottom, of area 2.20m^2, exerted by the water and air inside the tank and the air outside the tank.
A 5.05-kg ball of clay is thrown downward from a height of 2.77 m with a speed of 4.61 m/s onto a spring with k = 1730 N/m. Find the total work done on the clay during the spring's compression
What wavelength of electromagnetic waves is needed so that the first strong interference maximum in the Bragg reflection occurs when the waves strike the planes at an angle of 15.0o, At what other angles will strong interference maxima occur
A hollow spherical shell has mass 7.95kg and radius 0.225m, What is the kinetic energy of the shell after it has turned through 6.75rev
A steel guitar string 50 cm long has a mass density of 1.5 g/m and the tension is 500 N. Find the frequency of the second harmonic
A light source moves toward a receiver with speed v. If the source emits light with a frequency f0, what is the frequency of the received signal for a source of 220nm
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
When a 0.20-kg block is suspended from a vertically hanging spring, it stretches the spring from its unstrained 0.005 m. find the total mechanical energy of the system at any instant
Two speakers, one straight behind the other, are each generating a 285 Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Suppose that the s..
Suppose you could take out all the electrons and hold them in one hand, If you hold your hands 1.55{\rm m} apart at arms length, what force will each of them feel
q1. a heavy piece of hanging sculpture is suspended by a 146.0 cm long 8.03 gm wire. when the wind blows hard the wire
A hydraulic ram 200mm in diameter and 1.2 m long moves wholly within a concentric cylinder 200.2mm in diameter, What is the viscous force resisting the motion when the ram moves at 120mm . s-1
lady ate a whole medium size pizza storing up 120 food Calories. This energy is used to heat up 2 liters of water from a certain initial temperature to a final temperature of 80 deg.C, what was the initial temperature of the water?
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