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When a carbon dioxide molecule attaches to a molecule of hemoglobin, the bond that forms between them immediately starts vibrating. The vibrating bond can be treated as a spring with a mass (the carbon dioxide molecule) vibrating in simple harmonic motion. What is the vibration frequency of the bond if the carbon dioxide molecule has speed of 2.42 m/s when hits the hemoglobin molecule, causing the bond to compress a maximum distance of 8.50 nm? ( the mass of carbon dioxide molecule is 7.31 × 10-23 g.)
Two identical speakers are separated by 3.4m and produce sound of different frequencies equally in all direction. Determine the sound level in decibels at the point that is a midway between the speakers
A square wire loop (size L x L) carries current I. Find the magnetic field at the center of the loop
A 24-V battery is connected in series with a resistor and an inductor, with R = 2.4 ? and L = 8.6 H, respectively. Find the energy stored in the inductor when the current reaches its maximum value
A spherical weather balloon is filled with hydrogen until its radius is 3.40 m, Find the buoyant force acting on the balloon, assuming the density of air is 1.29 kg/m3.
Coherent light with wavelength 592 nm passes through two very narrow slits, and interference pattern is observed on the screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is the distance of 4.84 {rm mm} from the center o..
A 2 cm cube of aluminum has a mass of 22 grams. Calculate the density of this aluminum square in grams per cubic centimeters (gm/cm 3 ).
A beaker has a height of 15.0 cm. The lower half of the beaker is filled with water, and the upper half is filled with oil (n = 1.48). what is the apparent depth of the bottom
The location of a particle (in m) is given by its x, y and z coordinates as function of the time, calculate the y-component of the average velocity between t = 3.00 s and t = 12.00 s
Luigi wishes to suspend a lantern of mass m between his store and a telephone pole. THe cable attached to his store makes an angle (theta) to the wall. The cable to the telephone pole is horizontal.
The average density of the planet uranus is 1.27 x 10^3 kg/m^3. The ratio of the mass of neptune to that of Uranus is 1.19. The ratio of the radius of Neptune to that of Uranus is 0.969. Find the average density of Neptune.
A coffee-maker contains a heating element that has a resistance of 34 ohms. What is the current in the heating element
The plane of a 7.0 cm × 10.0 cm rectangular loop of wire is parallel to a 0.16-T magnetic field. The loop carries a current of 7.0 A. What is the magnetic moment of the loop?
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