Figure 15-24 shows the x ( t ) curves for three experiments involving a particular spring–box system oscillating in SHM . Rank the curves according to (a) the system’s angular frequency, (b) the spring's potential energy at time t = 0, (c) the box’s kinetic energy at t = 0, (d) the box’s speed at t = 0, and (e) the box’s maximum kinetic energy, greatest first. Figure 15-24 Question 7.
Figure 15-24 shows the x ( t ) curves for three experiments involving a particular spring–box system oscillating in SHM . Rank the curves according to (a) the system’s angular frequency, (b) the spring's potential energy at time t = 0, (c) the box’s kinetic energy at t = 0, (d) the box’s speed at t = 0, and (e) the box’s maximum kinetic energy, greatest first. Figure 15-24 Question 7.
Figure 15-24 shows the x(t) curves for three experiments involving a particular spring–box system oscillating in SHM. Rank the curves according to (a) the system’s angular frequency, (b) the spring's potential energy at time t = 0, (c) the box’s kinetic energy at t = 0, (d) the box’s speed at t = 0, and (e) the box’s maximum kinetic energy, greatest first.
Figure 15-24 Question 7.
Definition Definition Special type of oscillation where the force of restoration is directly proportional to the displacement of the object from its mean or initial position. If an object is in motion such that the acceleration of the object is directly proportional to its displacement (which helps the moving object return to its resting position) then the object is said to undergo a simple harmonic motion. An object undergoing SHM always moves like a wave.
Problem 31.66 3 of 3 Review Introduction Consider current I passing through a resistor of radius r , length L , and resistance R .
Part A Determine the electric field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface. Express your answer in terms of some, all, or none of the variables I , R , L , r . E =
Part B Determine the magnetic field at the surface of the resistor. Assume that the electric field is uniform throughout, including at the surface.
Express your answer in terms of some, all, or none of the variables I, R, L, r, and the constants π, μ0.
Part C Determine the strength of the Poynting vector at the surface of the resistor.
Express your answer in terms of some, all, or none of the variables I, R, L, r, and the appropriate constants.
Part D
Determine the flux of the Poynting vector (i.e., the integral of S⃗ ⋅dA⃗ ) over the surface of the resistor.
Express your answer in terms of some, all, or none of the…
Steel train rails are laid in 15.0-m-long segments placed end to end. The rails are laid on a winter day when their
temperature is -1.0 °C.
Part A
How much space must be left between adjacent rails if they are just to touch on a summer day when their
temperature is 34.0°C?
Express your answer to two significant figures and include the appropriate units.
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Α
D= 0.0072
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m
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Part B
If the rails are originally laid in contact, what is the stress in them on a summer day when their temperature is
34.0°C?
Express your answer using two significant figures. Enter positive value if the stress is tensile and negative
value if the stress is compressive.
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GA
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Constants
A glass flask whose volume is 1000.00 cm³ at 0.0°C is completely filled with mercury at this temperature. When flask
and mercury are warmed to 54.5 °C, 8.75 cm³ of mercury overflow.
Part A
If the coefficient of volume expansion of mercury is 18.0 × 10-5 K-1, compute the coefficient of volume expansion
of the glass.
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II
=
(C°)-1
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