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Molecules act as tiny springs and have vibration energy and frequency. The frequency of CO molecule is 6.42 x 1013Hz. Calculate the spring constant using the effective mass ? = (m1m2)/(m1 + m2).
A proton is shot at 5 × 107 m/s toward a gold atom, with a mass 197 times that of the proton, What is the recoil speed of the gold nucleus
Estimate the force P to accelerate the 80 - Ib block at 6ft/sec2 to the right.
A particular wire has a resistivity of 3.5 ? 10-8 ·m and a cross-sectional area of 3.9 ? 10-6 m2, What length of wire is required
A cardinal (Richmondena cardinalis) of mass 4.10×10^-2 kg and a baseball of mass 0.144 kg have the similar kinetic energy. What is the ratio of the cardinal's magnitude pc of momentum to the magnitude pb of baseball's momentum.
Two positive point charges, each 17? C, lie along the x-axis at x = –0.12m and x = +0.12m.
A grating has 776 lines per centimeter. Find out the angles of the first three principal maxima above the central fringe when this grating is illuminated with 603 nm light.
compass needle points 25 degrees E of N outdoors. However, as it is placed 17 cm to the east of a vertical wire inside a building it points 61 degrees E of N. What is the magnitude of the current in the wire? The earth field there is 0.50X10^-4 T ..
What is the magnetic field strength. Consider a ladder 5 meters tall, and a 150 kg weight on top of it. The ladder is leaning against the wall.
assume a charge starts at rest on an equipotential surface, is moved off that surface, and then is eventually returned to the same surface at rest after a round trip. How much work did it take to do this? Explain.
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m, What is the weight of the bananas in newtons
During a tug-of-war, team A pulls on team B by applying a force of 1200 N to the rope between them, How much work does team A do if they pull team B toward them a distance of 1.3 m
A simple pendulum has a mass of 0.150 kg and a length of 3.00 m. It is displaced by an angle of 12.0° and then released. What is the utmost speed?What is the maximum angular acceleration?What is the maximum restoring force.
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