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An oxygen atom at a particular site within a DNA molecule can be made to execute simple harmonic motion when illuminated by infrared light. The oxygen atom is bound with a spring-like chemical bond to a phosphorus atom, which is rigidly attached to the DNA backbone. The oscillation of the oxygen atom occurs with frequency f = 3.7 x 1013Hz.If the oxygen atom at this site is chemically replaced with a sulfur atom, the spring constant of the bond is unchanged (sulfur is just below oxygen in the Periodic Table). Predict the frequency after the sulfur substitution.
here is a point on the x-axis between the two charges where the electric field is zero. Find out the location of the point where the electric field is zero.
A pair of hedge trimmers are 45 cm long from the pivot to the end of the handles. how much force is applied to the branch
A 7.00 \mu F, parallel-plate, air capacitor has a plate separation of 4.50 mm and is charged to a potential difference of 400 V
question a glass rod rubbed with silk acquires a charge of 1.0times10-9 c.1-what is the charge on the silk?2-how many
A 50.0-g bullet is shot straight upward with a muzzle speed of 350 m/s. Find the maximum height the bullet can reach
A series RCL circuit contains a 47.0 ohm resistor, a 2.00 microF capacitor, a 4.00 mH inductor, and a generator with a frequency of 2550 Hz and Emax of 60V. what is the average power dissipated by the resistor
When a signal of intensity 3.0kWm-2 is applied at the input of an amplifier of length 10m, the output signal intensity is 36kWm-2. When the input intensity is reduced to 1.0kWm-2 the output is 20kWm-2.
A cylindrical copper cable carries a current of 1090 A. There is a potential difference of 1.60 10-2 V between two points on the cable that are 0.28 m apart
A rifle is aimed horizontally at a target 51m away. The bullet hits the target 2.0cm below the aim point. What was the bullet's flight time
In the figure, water stands at depth D = 35.0 m behind the vertical upstream face of a dam of width W = 315 m. Discover the torque due to the net horizontal force on the dam, measured regarding a rotation axis parallel to the dam and during point O.
A solid wood door 1.00 {m} wide and 2.00 {\m} high is hinged along one side and has a total mass of 44.0kg . Initially open and at rest, the door is struck at its center by a handful of sticky mud with mass 0.700kg , traveling perpendicular to the do..
A laser beam is directed at the top mirror from the left edge of the bottom mirror. Elucidate what is the smallest angle of incidence with respect to the top mirror, such that the laser beam
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