6.* Assuming the net force acting on the particle shown in the Figure is a central force which is conservative, what is the potential energy associated with the force and also what is the total mechanical energy of the system. Hint: use the virial theorem, which is K = -U/2. y axis Velocity m, q
Q: The Moon has instantaneously stopped its orbital motion and its rotation, and was at rest at…
A: (a) The acceleration of the Moon at the moment its orbital motion stops can be determined as…
Q: At the local skateboard park, a 50.0 kg skateboarder "drops" into a bowl. The bowl is 1.90 m deep,…
A: f = friction force From energy conservation initial total potential energy = work done by friction +…
Q: A 70.0 kg sled is pulled from rest by a snowmobile and accelerates at 2.2 m/s² [forward] for 7.5 s.…
A:
Q: Part H A ball is launched with initial speed v from ground level up a frictionless slope. The slope…
A: Given, In the absence of nonconservative forces such as friction and air resistance , the total…
Q: Using the principles of energy and conservation of energy, determine how the velocity of an object…
A:
Q: QUESTION An arrow is launched straight up from the surface of the Earth. Which one of the following…
A: Introduction: When an arrow launched from the ground in an upward direction then at the time of…
Q: a. Discuss, with diagrams, the kinematics and dynamics of an object undergoing curvilinear motion. -…
A: An object is said to be in motion if its position changes with respect to time. When a particle is…
Q: A box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at…
A: Given:- A box of mass m = 4.0 kg The elevator is moving up at a steady speed u = 5.0 m/s The…
Q: How to solve this problem using the energy method? Like with potential energy and kinetic energy?
A: The expression of the speed from conservation of energy,
Q: You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the…
A: Given that,Distance travelled, Time interval, Power produced, Let force applied be .
Q: 2. The 7-oz slider has a speed of 2 ft/s as it passes point A of the smooth wire guide that lies in…
A: Solution: a) Given that, The weight of the slider is 7-oz So, Wslider=7 oz×1 lb16 oz=0.437…
Q: MA 2a) Determine the rotational inertia I of the pulley. units? C answer= Check your answer Show…
A: Given that: The mass is: mA=6.5 kgmB=20 kgMP=6.3 kg The radius of the disk is r=0.7 m The height of…
Q: IP Suppose the pendulum bob in the figure(Figure 1) has a mass of 0.43 kgkg and is moving to the…
A: Mass of pendulum bob,Speed at point B,from the figure,Air resistance is negligible.
Q: As an object moves along the 26.0 m axis from = 0.0 m to z = 26.0 m it is acted upon by a force…
A:
Q: The figure shows the top view of an object of mass m moving on a uniformly rough horizontal surface.…
A: Given data: Mass of the object, m=7.15 kg Coefficient of friction, μ=0.644 Radius of the…
Q: 3. A 10.0-kg box is pulled by a horizontal wire in a circle on a rough horizontal surface for which…
A: Coefficient of friction μ= 0.250 Mass (m) = 10 kg
Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…
A: As the angular speed of the cart is omega and its constant, Its speed will increase when it moves…
Q: a) A person is riding on a Ferris wheel of radius R. He starts at the lowest point of the wheel.…
A: a) W=F×d×cosθ Where, W= work done by the forceF = force appliedd= displacement caused by the…
Q: A 0.20 kg plastic cart and a 2.0 kg lead cart can both roll without friction along a horizontal…
A:
Q: 19 A bullet of mass 5g strikes a ballistics pendulum of mass 75 kg with speed v and becomes embedded…
A:
Q: Physics Problem A 300 N net force was applied 30° North of East on a crate with 50.0 kg mass, which…
A:
Q: The graph below represents the relationship between the force exerted on an elevator and the…
A: Given data: Graph between the force on elevator and distance lifted
Q: Consider the four possible paths of a body moving through gravity as diagrammed below. Which of the…
A:
Q: 1-An object of mass m=2kg which is initially at rest is pushed upward by a horizontal force F=…
A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…
Q: 4. Two identical masses are suspended by strings wrapped around identical frictionless pulleys,…
A: For systems 1 and 2, According to the conservation of energy, Initial energy = Final energy…
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: A 500 kg cart rests atop a hill 30.0 m high on a roller coaster. Its gravitational potential energy…
A: The gravitational potential energy has the formula U=mghm is the massh is the heightg is the…
Q: *Chapter 8, Problem 30 A 2.3 kg breadbox on a frictionless incline of angle 0 = 40 ° is connected,…
A: (a) Let W be defined as the work done (W) by the force (Weight) on the block. Therefore, by the…
Q: A ball is falling and gains 20 J of kinetic energy. If air drag is also considered, does the…
A: GIVEN : KINETIC ENERGY = 20 J When ball fall with gaining kinetic energy as velocity increases Now…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- 2.) A 1000 kg boat is towed in the water by a cable in a straight line. The Tension in the cable is 3,000N. The coefficient of friction between the boat and the water is µ = 0.2. It starts from rest and reaches a final speed of 5m/s after some unknown distance. Angles must be shown in your work calculations. a.) What is the final kinetic energy of the boat? b.) Using the Work-Kinetic Energy Theorem, find the unknown distance.1. A 7.50-kg box initially at rest slides down a 15.0 m long incline that makes an angle of 22.0° with the horizontal (see figure). At the bottom of the incline, the speed of the box is 3.00 m/s. a) Draw a free body diagram, detailing all of the forces acting on the box. b) Using the work done by non-conservative forces relationship, find the algebraic expression for the coefficient of kinetic friction between the box and the incline. c) Calculate the coefficient of kinetic friction.Using the principles of energy and conservation of energy, determine how the velocity of an object at the bottom of a ramp is related to its initial starting height. 1. If the ball is initially motionless at the top of a ramp of height h, write down expressions for the initial kinetic, potential, and total energy of the ball. 2. What expressions for the kinetic, potential, and total energy of the ball as it reaches the bottom of the ramp. 3. Using the principle of conservation of energy, what expression relates the final velocity of the ball to its initial height on the ramp.
- if the gravitational potential energy is 120,000 J and the kinetic energy is 20,000 J at position A what is the total energy?THANK YOUA horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel there is a straight track passing through its middle. A cart of mass m is traveling along the track with constant velocity v relative to the carousel. Note that there is friction between the cart and the carousel. FR XR
- A box sits on the horizontal bed of a truck that is accelerating to the left, as shown in the diagram. Static friction between the box and the truck keeps the box from sliding around as the truck accelerates. The work done on the box by the static friction force as the accelerating truck moves a distance D to the left is A. Positive B. Zero C. Negative D. Dependent upon the speed of the truckA box of mass 4.0 kg hangs by a cable from the ceiling of an elevator. The elevator is moving up at a steady speed of 5.0 m/s for 8.0 m. Use g = 10 m/s2. Match the answers with questions. the final kinetic energy of the box (Kf) the change in kinetic energy of the box (ΔK) A. 320 J B. 20 J C. -320 J D. -20 J E. 50 J F. -50 J G. 0 J