Diatomic molecules are typically found to have a frequency of oscillation in the range of 1012 Hz to 1014 Hz. Provide an order of magnitude estimate for the spring constant of the harmonic potential energy for such molecules.
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- A small block of mass M = 850 g is placed on top of a larger block of mass 3M which is placed on a level frictionless surface and is attached to a horizontal spring of spring constant k = 3.5 N/m. The coefficient of static friction between the blocks is μ = 0.2. The lower block is pulled until the attached spring is stretched a distance D = 1.5 cm and released.Randomized Variables M = 850 gD = 1.5 cmk = 3.5 N/m a) Calculate a value for the magnitude of the maximum acceleration amax of the blocks in m/s2. b) Write an equation for the largest spring constant kmax for which the upper block does not slip. c) Calculate a value for the largest spring constant kmax for which the upper block does not slip, in N/m.In this limit, what is the effective spring constant k for the pendulum in the limit of small angles? In this limit, what is the effective angular frequency ω of a pendulum in the limit of small angles?Plz solve all parts
- 15 MCQS A block of mass m = 5 Kg is attached to a spring of spring constant k. The block oscillates in simple harmonic motion on a frictionless horizontal surface. The block-spring total mechanical energy is 14.4 J. The maximum velocity of block, vmax, is: 2.4 m/s O 3 m/s O 2.1 m/s O 1.8 m/s 3.8 m/s A simple pendulum is set into motion at two different times with different initial conditions. The first time: the bob is in its equilibrium position and is given an7. A block of mass m slides with constant velocity v down a plane inclined at 0 with the horizontal. During the time interval At, what is the magnitude of the energy dissipated by friction? (a) mgv At tan 0 (b) mgv At sin 0 (c) 1/2 mv3 At (d) The answer cannot be determined without knowing the coefficient of kinetic friction.We can model a molecular bond as a spring between two atoms that vibrate with simple harmonic motion.The figure below shows an simple harmonic motion approximation for the potential energy of an HCl molecule.This is a good approximation when E < 4 ×10^−19. Since mH << mCl, we assume that the hydrogen atomoscillates back and forth while the chlorine atom remains at rest. Estimate the oscillation frequency of theHCl molecule using information in the figure below.
- A block of mass m is placed on a smooth inclined plane, which is at an angle, with respect to the horizontal, as shown in Figure 2. A spring with force constant k is attached to the bottom of the incline. spring. block Hellll Ꮎ Figure 2 Sketch of the block, inclined plane and spring, for use in Question 9.Using the spring force, F = -kx, calculate: a) The work done by an external force stretching the spring a distance L away from the equilibrium length. b) At a stretch length L, how much potential energy is stored in the spring? If a mass m is attached to the spring and released from a stretch length L, what is the maximum velocity c) of the mass? d) At what x coordinate does this maximum velocity occur?Problem 10: A simple pendulum with mass, m=1 kg and length, L=2.0 m is released by a push when the support string is at an angle of 45° from the vertical direction. The initial speed of the suspended mass at the release point is 3.0 m/s. (a) The maximum angle that pendulum moves in the second half of its swing is (b) The mechanical energy of pendulum (measured relative to its lowest point) is