The figure shows a thin rod, of length L = 1.60 m and negligible mass, that can pivot about one end to rotate in a vertic ball of mass m = 11.0 kg is attached to the other end. The rod is pulled aside to angle 0 = 23.0° and released with initia 0. As the ball descends to its lowest point, (a) how much work does the gravitational force do on it and (b) what is the o gravitational potential energy of the ball-Earth system? (c) If the gravitational potential energy is taken to be zero at t what is its value just as the ball is released?

A one-dimensional variable force in the x-direction is given as F(x) = 2 x 2.29; where F is in newtons and x is in meters. Find the work done by this force for taking an object of mass m=1.7kg from x; = 0.73 to xf =3.99. If the speed of the particle at x; is v; =4.8m/s, find the speed vf at xf. Round your answer to one decimal place.

Pls include diagramm with answer

A variable force F = kx2acts on a particle which is initially at rest. Calculate the work done by the force during the displacement of the particle from x = 0 m to x = 7m. (Assume the constant k =3N m-2)

A horizontal force ?⃗?of magnitude 21.0 N is applied to a 3.12 kg book as the book slides a distance d = 0.64 m up a frictionless ramp at angle θ = 30°. (a)During the displacement, what is the net work done on the book by ?⃗?, the gravitational force on the book, and the normal force on the book? (b)If the book has zero kinetic energy at the start of the displacement, what is its speed at the end of the displacement?

Pulling a cube of weight (356N) a distance (610cm) on flat ground with a constant launch after applying a force that makes an angle (30°) with the horizon. If the coefficient of friction between the cube and the ground is (0.25), find the work done by the frictional force e 12:34

(a) A particle of mass 100 g has an acceleration along the 2-axis given by a = 10 - t. Find expressions for the velocity, v, and the location, r as functions of time (take v = 10 m s-¹ and = 0 at t = 0). (b) What is the furthest (positive) distance from the starting point that the particle attains? (e) What is the work done on the particle between the starting point and the point of furthest distance? (d) What is the power being exerted on the particle at the point (t > 0) when it again passes through x = 0?

12) At certain instant, a particle experience a force F = (5i +6j + 2k) N while having a velocit v (2i -3k)m/s. What is the instantaneous rate at which the force does work on the particle (A)4W (B)50W (C)13 W. (D) 10W. 13) A worker pushes a wheelbarrow with a horizontal force of 50 N on level ground over a dist Cel

Show the fbd/figure, given and formula used. A water skier is pulled by a towrope behind a boat. He skies off the side, and the rope makes an angle of 20 degrees with his direction of motion. The tension in the rope is 120N. How much work is done by the skier during a displacement of 500 meters?

A force field is given by F = Fo (x°i + xyj + z°k), find the work perform by this force on a circle of radius R centered at (0,0,1) on the plane z = 1. Repeat the calculation along a circle with radius R on the ry-plane with z = 0. Is this a conservative force field?