Compare the initial potential energy of the spring to the maximum gravitational potential energy of the cart. Are they equal? If not, what might be the reason?

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Given : Wnc = +40 J  Wc = -60 J

Q: 36.) When a 2.0 kg science textbook is sitting on a table that is 2.0 meters above the floor, how…

A: It is given that,

Q: Q17. The potential energy of a 0.20-kg particle moving along the x axis is given by U(x) = (8 * 2 -…

A: 17. Given that,  Mass of particle, m = 0.2 kg Potential energy, U(x) = 8x2 - 2x4 Distance, x = 1m

Q: 2. A cannon is rigidly attached to a carriage, which can move along frictionless horizontal rails,…

A:

Q: As an object moves from point A to point B only two forces act on it: one force is nonconservative…

A: Given an object moves from point A to B.One force is nonconservative and work done is 40 J. other…

Q: 1. A constant force of 1200 N is applied to a 150-kg block along a rough horizontal surface at an…

A: See below

Q: 3. The potential energy U in Joule of a particle of mass is 4kg moving in the x-y plane is given by…

A: Given data: Potential energy of the particle is given as, U= 6x + 8y + 5 Where, x and y are the…

Q: Which of the following statements is true about the potential energy of the book-Earth system?   a.…

A: Given desk top is gravitational zero point level. Book is lifted from distance h below the desk and…

Q: 1.A mass is attached to the bottom of a vertical spring. This causes the spring to stretch and the…

A:

Q: 2. a) A ball has an initial speed external forces act on the ball. After these forces act, the speed…

A: Values given in the question are as follow; Initial speed of ball, v0=4ms first halving of speed,…

Q: 3) Is it possible for a system to have negative potential energy? A. Yes, as long as the kinetic…

A:

Q: 1. A 0.20-kg stone is held 1.3 m above the top edge of a water well and then dropped into it. The…

A: Given data-  Mass of stone m=0.20 kg  Height above the top edge of a water well h=1.3 m  Depth of…

Q: An object hangs motionless from a spring. When the object is pulled down and held, what happens to…

A:

Q: tus: QUESTION 15 The figure shows an overhead view of three particles on which external forces act.…

A: In the given problem, there are three particles distributed among a common origin of the system. Of…

Q: A spring with a spring constant k = 852 N/m is compressed from its unstretched length to a length of…

A: The potential energy of the spring is given by 0.5kx^2            where k= spring constant…

Q: 1. A spring (k=100 N/m) is hanging from the ceiling when somebody attaches a 2 kg block to the end…

A:

Q: mechanical energy is 7J:

A: According to our policy, I am doing first three subparts and rest you can upload separately.

Q: 15.The object's potential energy at point C is less than its potential energy at point. A only B…

A: Answer :- (a) A only    The objects potential energy at point C is less than its potential energy at…

Q: 2. The potential energy function associated with a force acting on a system is U = 3x3 – 5x. a) What…

A: (a) The potential energy function associated with a force acting on a system is given U = 3x3 – 5x.…

Q: 1. What is the change in gravitational potential energy for a 7o kg man walking up stairs from a…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 7. The work done by gravity in lowering a 3.0 [kg] box from an initial height to the ground is 15…

A: Given: The mass of the object is 3 kg. The work done by gravity is gravity is 15 J. The…

Q: 2. A marble moves along the x-axis. The potential-energy function is shown in Figure. a. At which of…

A:

Q: 7. The force of an ideal spring is given by F=-kx Where k is the spring constant of the spring and x…

A:

Q: 60.0 kg skier is at the top of the slope as shown. At the initial point Ⓐ, she is 10.0 m vertically…

A: (a) Zero level at point B Gravitational potential energy of the skier at point A is UA=mghA=60.0…

Q: You lift a 0.250 kg dumbbell from the floor to a height of 1.55 m. What is the dumbbell…

A:

Q: A force of 180 N stretches a spring 0.050 m beyond its unstretched length. a. What is the spring…

A: 7. Given,Force, F = 180 NThe stretched length = 0.050 m =∆xa) The value of spring constant, kwe…

Q: a. Determine the work a hiker must do on a 15 kg backpack to carry it up a hill of height h = 14 m;…

A: Mass of the backpack m=15 kg, height of the hill h=14 m and acceleration due to gravity. Let us take…

Q: A force of 5 N is required to hold a giant spring stretched 1 m beyond its natural length. How much…

A: