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A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 38° with the normal to the wall. Each molecule in the beam has a speed of 2.9 km/s and a mass of 3.3 x 10-24 g. The beam strikes the wall over an area of 4.1 cm2, at the rate of 1021 molecules per second. What is the beam's pressure on the wall?
Consider a steam turbine in which the steam expands adiabatically. If the turbine consumes 1.00 kg steam each second, calculate the temperature of the steam at the exhaust
A tube is open only at one end. A certain harmonic generted by the tube has a frequency of 470Hz. The next higher harmonic has a frequency of 555Hz. The speed of sound in air is 343m/s.
When you take your 1400-{\rm kg} car out for a spin, you go around a corner of radius 52 m with a speed of 11 m/s. what is the force exerted on it by static friction
In a mass spectrometer, a singly charged ion having a particular velocity is selected by using a magnetic field of 0.1 T perpendicular to an electric field of 8.00 102 V/m. What is the mass of the ion
A clay vase on a potter's wheel experiences an angular acceleration of 7.70 rad/s2 due to the application of a 10.7-N · m net torque
A certain diatomic molecule vibrates with a characteristic frequency v= 2.45x10^9s^-1 (these are microwaves). Calculate the relative population of the ground state
A block of iron 3.00 kg is charged positively with the net charge of .010C. find the fraction of the electrons removed from thus iron
A 5.0 ice cube at -20 is in a rigid, sealed container from which all the air has been evacuated. How much heat is required to change this ice cube into steam
a magnetic field goes from the top to the bottom of this page. what direction will a proton moving from left to the right deflect
A brick is initially 10.56 cm high and an aluminum can is initially 10.57 cm high. By how much must their temperatures be raised in order for the brick
Two point charges Q1 = 3.6 µC and Q2 = 8.0 µC are initially very far apart. They are then brought together, How much work does it take to bring them together
A constant electric field E=100 N/C*i is present throughout a region of space that includes the plane bounded by the x, compute The electric flux at the plane's surface
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