Show that when potential energy can be written as V = V(x¡) and V = V(qi) then the total energy of a closed conservative system of particles remains constant. Also in this case which quantity is equal to the total energy of the system?
Q: An object of mass m=2kg is part of a system and it is subject only to conservative forces and…
A:
Q: A proyectile of 0.50 kg is fired with an initial speed of 10 m/s at angle of 60 degrees above the…
A: The formula for the maximum height (H) of a projectile starting from the ground is given as,…
Q: hen is the kinetic energy of the block greatest?
A: Kinetic energy of oscillating spring =(1/2)k (a2 -x2 ) Where a is amplitude x=displacement from…
Q: A particle of mass moves in 1 dimensional space with the following potential energy: (in figure)…
A: The potential energy of a particle moving in 1-D is given by the function, U(x)=Uo[2(xa)2-(xa)4]…
Q: An object of mass m=2kg is part of a system and it is subject only to conservative forces and…
A: We are given potential energy as function of position. The motion is 1 dimensional. We first find…
Q: The work done by a conservative force on a system is 10 J, and the initial potentialenergy of the…
A: Given: The work done is W = 10 J. Initial potential energy is PEi = 30 J.
Q: An object moves in the xy-plane under the influence of a single force given by F(x)= - αx^2i+βyj,…
A: Given force is F(x)= - αx^2i+βyj, where α and β are known constants. For conservative force we have…
Q: A pendulum with bob mass 0.442 kg is released from rest and is observed to have attained a speed of…
A:
Q: The object moves under influence of the potential energy given by P(x)=2x^3-x Compute the force on…
A: Given potential energy P(x)=2x3-x Required force on the mass at x=2
Q: A box of mass m = 2.5 kg (moving in the positive x-direction) has a velocity of 2 m/s at t = 0, and…
A: Given data: Mass of the box, m=2.5 kg Initial velocity of the box, u=2 m/s (at time, t=0 s)…
Q: An older-model car accelerates from 0 to speed υ in a time interval of Δt. A newer, more powerful…
A:
Q: A potential energy function for a two-dimensional problem is of the form U=4xy2-3x2y3. Find the…
A: force is the negative gradient of potential energy.
Q: A mysterious constant force of 34 N acts horizontally on everything. The direction of the force is…
A:
Q: A particle of mass m moves along the x-axis such that its acceleration is d²x dz² = 8x³. -X. (a)…
A:
Q: A mass m is acted on by a force F1(x) = Ax from x = 0 to x = L. %3D If m starts from rest, what is…
A:
Q: Two objects of masses m and M interact with a central force that varies as 1/r4 with proportionality…
A: Given expression ForceF(r)=r4kThe force F(r) is related to the potential energy U(r) by the…
Q: A single conservative force acting on a particle within a system varies as F=(-Ax+Bx²)î ,where A and…
A: The conservative force function acting on a particle is given as, Here, x denotes the distance, A,…
Q: Two objects of masses m and M interact with a central force that varies as 1/r4 with proportionality…
A:
Q: Problem 1: A football of mass m = 1 kg is thrown at an initial velocity of vo = 6 m/s at an angle of…
A:
Q: This is a system consist of two blocks, masses 3M sits on a frictionless horizontal table top and…
A:
Q: A ball of unknown mass mm is tossed straight up with initial speed vv. At the moment it is released,…
A: Energy conservation law,
Q: You are staying in a hotel on the 4th floor (12 m from the ground) with a balcony overlooking a…
A: The situation can be shown as below,
Q: A ball of unknown mass m is tossed straight up with initial speed v. At the moment it is released,…
A:
Q: A 7 kg box moving at 6.52 m/s on a horizontal, frictionless surface runs into a light spring of…
A: Given data: Mass (m) = 7 kg Horizontal speed (v) = 6.52 m/s Spring constant (k) = 67 N/m Required:…
Q: A competitor of mass 75 kg is competing for the in the ski jump. He starts with a speed of 5 m/sec…
A: Given, mass of the competitor m=75 kg initial speed u=5 m/s Height h=45 m (a) KE at the top of the…
Q: A ball of unknown mass m is tossed straight up with initial speed v. At the moment it is released,…
A: according to the conservation of energy, KEinitial+PEinitial=PEfinal
Q: Multiple choice. A particle experiences a force given by F(x) = a - Bx³. Find U(x), the associated…
A:
Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…
A: mass (m) = 80 kg Speed at position A (v) = 20 m/s vertical height of position A (h) = 200 m
Q: The potential energy of a pair of hydrogen atoms separated by a large distance xx is given by…
A:
Q: Find the work done by the force F= along the closed path 1. From the origin to (0,0,2pi) on the…
A: Work:- Work done on an object to move it from one position to another position by a varying force is…
Q: A 75-kg skier starts from rest at the top of a hill that makes an angle of 35◦ below the horizontal.…
A:
Q: Which of the following forces is conservative? (a) F=k(x, 2y, 3z) where k is a constant. (b) F =…
A: The forces are given.
Q: A single conservative force acts on a 5.7ˍkg particle. The equationFx=(2.3x+3.7)N describes the…
A: The formula to calculate the work done by the force in x- direction


Step by step
Solved in 2 steps

- A ball of unknown mass m is tossed straight up with initial speed v. At the moment it is released, the ball is a height h above a spring-mounted platform, as shown in the figure. The ball rises, peaks, and falls back toward the platform, ultimately compressing the spring a maximum distance d from its relaxed position. Assume that the spring is perfectly ideal, with spring constant k, and that the mass of the spring and platform is negligible. What is the mass of the ball, m, assuming that there is no friction or air resistance? Using g to represent the acceleration due to gravity, enter an expression for m in terms of g, h, d, k, and v. kg m = m h www dSay we have a mass, m, situated at a height, h, above an ideal spring with force constant k. The mass is dropped vertically onto the spring. Derive an expression for the compression of the spring from equilibrium (x) as a function of m, k, and h. By what factor is the compression changed if the mass is dropped from a height of 3h? What is the speed of the mass just as it contacts the spring?A particle, of mass m, is moving in one dimension under the influence of a conservative force with potential V (x). (a) If the potential is given by V (x) = x² – x*, (2) - find any equilibrium points and determine their stability. (b) The particle is started from the origin x = 0 with speed v, and moves under the influence of the potential V (x) defined in equation (2). How large does v need to be for the motion to be unbounded?
- Two objects of masses m and M interact with a central force that varies as 1/r4 with proportionality constant k as follows: F = k/r4 Derive an expression for the potential energy function, with the location of the reference for your formula being U(∞) = 0.Why is the work done by a conservative force the negative of the change in potential energy? The equation for the work done is W = q∆V = -∆PE.A box of mass 'm' is pushed into a spring with spring constant 'k'. The spring is displaced a total length of Δx, and then we let go of the box. From the work-energy theorem, what is the final velocity of the box after we let go?
- Suppose there is a conservative force with potential energy function U(x, y) =−ax − bx2 + 3cy3, where a, b, and c are positive constants, throughout the entire x-yplane. Find the associated force F~ (x, y). Consider a bead of mass m that is free tomove along a frictionless wire that is fixed to the x axis. If the bead is released fromrest at the origin, in which direction will it start to move? How fast will it be travelingafter it moves a distance L?Assume that a common flea can jump straight up to a maximum height of 20 cm. If the flea has mass m = 0.5 milligrams, calculate the potential energy of the flea (in Joules, J) once it reaches its maximum height. If the flea in jumps to its maximum height but misses jumping onto a 4-legged friend, then obviously, the flea will fall to the ground. Calculate the force of gravity acting on the flea, during its free-fall to the ground? Assume that the flea falls straight down from its maximum jump height. Express the answer in Newtons.An object of mass m = 3 kg moves in the x direction with the potential energy U (x) shown. There are no other forces acting. On the axes provided below the graph of U (x), sketch the force F(x) that the mass experiences. If the object is released from rest at x = -2 where U = 16J, what is its velocity at x = O where U = -8J? %3D U(x) (J) |16 х (m) F(x) (N) х (m)
- answer vii) onwards and dont use chatgpt thank you!A particle of mass m is constrained to lie along a frictionless, horizontal plane subject to a force given by the expression F(x) = -kx. It is projected from x = 0 to the right along the positive x direction with initial kinetic energy To 1/2 kA". k and A are positive con- stants. Find (a) the potential energy function V(x) for this force; (b) the kinetic energy, and (c) the total energy of the particle as a function of its position. (d) Find the turning points of the motion. (e) Sketch the potential, kinetic, and total energy functions. (Optional: Use Mathcad or Mathematica to plot these functions. Set k and A each equal to 1.) 2.4The figure shows a plot of potential energy U versus position x of a 0.260 kg particle that can travel only along an x axis under the influence of a conservative force. The graph has these values: UA = 9.00 J, UC = 20.0 J and UD = 24.0 J. The particle is released at the point where U forms a “potential hill” of “height” UB = 12.0 J, with kinetic energy 7.50 J. What is the speed of the particle at (a)x = 3.50 m and (b)x = 6.50 m? What is the position of the turning point on (c) the right side and (d) the left side?