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A circular beaker is 40 cm tall and has a radius of 2 cm. Itinitially holds water at a depth of 25cm. It is then "toppedoff" with oil of density of 700 kg/m3. What is the pressure at the bottom of the beaker in N/m2 (Pa) due tothe oil and water? Water density is 1000 kg/m3.
In an industrial cooling process, water is circulated through a system. If the water is pumped with a speed of 0.45 m/s under a pressure of 400 torr from the first floor through a 6.0-cm diameter pipe, what will be the pressure on the next floor 4.0 ..
a diffraction grating with 210 lines per mm is used in an experiment to study the visible spectrum of a gas discharge
the suns rays are focused using a lens as a burning glass. all the visible sunlight entering a lens of radius 2.97 cm
A Beryllium nucleus consists of 4 protons and 5 neutrons. What is the potenial at one of the corners due to the other 3 charges
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
An ideal gas has a pressure of 2.5 atm, a volume of 1.0L at at temperature of 30 degrees Celcius. How many molecules are there in the gas
A typical adult human lung contains about 330 million tiny cavities called alveoli. Estimate the average diameter of a single alveolus
A simple pendulum consists of a ball connected to one end of a thin brass wire. find the change in the period of the heated pendulum
An undamped 1.16-kg horizontal spring oscillator has a spring constant of 38.9 N/m. While oscillating, it is found to have a speed of 3.18 m/s as it passes through its equilibrium position. What is its amplitude of oscillation
a particle has a velocity u 0.84c in the labortory. the laboratory is itself moving with velocity v 0.77c relative to
Four spheres are arranged as in the figure in the corners of a 2cm-side square, How much work is required to move a tiny charge of 10nC from C to A
question a square coil enclosing an area with sides 2.7 cm long is wrapped with 2461 turns of wire. a uniform magnetic
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