mm mm A block of mass m is attached to a wedge of mass M h M by a spring of natural length lo and spring constant k. The inclined frictionless surface of the wedge makes an angle a to the horizontal. The wedge is free to slide on a horizontal frictionless surface as shown in the figure. a) Write down all constraint relations on the particles? motion in cartesian coordinates. b) Show that the number s of degrees of freedom is 2 (. c) Choose s convenient generalized coordinates
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- Please refer to the picture with the formulas needed to solve this problem. Please only use the formulas, constants, and units from the picture given. To simulate various processes on the surface on Mars, a labratory uses an Atwood machine to simulate Martian gravitational acceleration. An Atwood machine is a setup involving two objects connected by a string that runs over a pulley. For this problem, assume that the string and pulley are ideally frictionless, massless, and inextensible. One object is a bucket holding the subject of the labratory's experiment, which in total has a mass mb. The other object is a counterweight, whose mass Mc must be properly selected to ensure that the experiement's downward acceleration matches that of Martian gravity, gM. Part 1) The experimenter want the bucket to be accelerated as if it were being dropped near the surface of Mars. Which mass must be bigger, Mb (the bucket) or Mc (the counterweight)? How does the acceleration of the bucket compare…Solve the followingNot all "springs" are described well by Hooke's law; Hooke's law is a "first order" approximation. Say that a spring exerts a force F that is the following function of displacement: x=xi Please see the image below for the rest of the problem and answer choices.
- Determine which df th following equations can be eigen function equation and qive tk values an sinfx) dx 2 d? sin TTX 2 dx2 a x uP +) -ih 으 ek T 2ikyUse the principle of minimum potential energy developed in Section 3.10 to solve the bar problems shown in Figure P3-52. That is, plot the total potential energy for variations in the displacement of the free end of the bar to determine the minimum potential energy. Observe that the displacement that yields the minimum potential energy also yields the stable equilibrium position. Use displacement increments of O.002 in., beginning with x = -0.004. Let E = 30 x 106 psi and A = 2 in2 for the bars. 10,000 Ib 30 in. 10,000 lb 50 in. (b) Figure P3-52Learning Goal: To understand the Equipartition Theorem and its implications for the mechanical motion of small objects. In statistical mechanics, thermal energy is the random motion of the microscopic world. The average kinetic or potential energy of each degree of freedom of the microscopic world therefore depends on the temperature. If heat is added, molecules increase their translational and rotational speeds, and the atoms constituting the molecules vibrate with larger amplitude about their equilibrium positions. It is a fact of nature that the energy of each degree of freedom is determined solely by the temperature. The Equipartition Theorem states this quantitatively: The average energy associated with each degree of freedom in a system at absolute temperature T is (1/2)k³T, where KB = : 1.38 × 10-2³ J/K is Boltzmann's constant. A "degree of freedom" corresponds to any dynamical variable that appears quadratically in the energy. For instance, (1/2)mv² is the kinetic energy of a…
- Answer within 5 minutesAnswer the following question throughlyA student releases a 3.9kg cart from the top of ramp and starts a stopwatch. The length from the front of the cart to the end of the ramp and the distance from the end of the ramp to the stopper are shown. Neglect backwards friction and drag and assume the cart does not lose speed transitioning from the ramp to the floor. What is the cart's acceleration on the ramp? unit | (magnitude) What is the cart's acceleration on the floor? 130cm unit (magnitude) How long does the cart take to reach the end of the ramp? 5° 200cm unit (timed from the release) How fast is the cart traveling as it hits the stopper? unit How long does the cart take to reach the stopper? unit (timed from the release) cannot be detern check answers challenge ne Calculator ound = 343m/s cant figures Rain to stop e here to search ACC t;320
- In a downhill ski race, your final velocity is not affected very much by getting a running start, because the initial kinetic energy is compared with the gain in gravitational potential energy on even small hillsHowever, you will finish the race much faster (which is more important ) To demonstrate this, find the final speed and the time taken for a skier who skies 82.5 m along a slope that is 19 degrees measured from horizontal , in the following situations (you may neglect friction ) A find the final speed in m/s lf the skier starting from rest B how long (in s) does it take for the skier to reach the bottom of this hill starting from rest C find the final speed in (m/s) of the skier with speed of 2.50 m/s D how long in (s) does it take for the skier to reach the bottom of this hill with a starting speed of 2.50 m/sA miniature hill in a child’s toy collection is shown below. When released at A, a mass m slides down the path shown below, reaching the bottom (B) with a speed of vB. Assume that the hill has negligible friction. The block then slides along the rough horizontal surface a distance d before coming to rest at C. When solving parts (a) and (b): Write the useful description about what is known and unknown. Write down the physics principle or strategy you will use. Symbolically solve for the unknowns (a) Calculate the height of the hill using m=230.0 g and vB = 3.8 m/s (b) What is the coefficient of kinetic friction along the horizontal surface if d=14 m? Hint: Treat the motion down the hill and the motion down the rough horizontal surface as two distinct problems. What physics concepts can you apply for each?