mv + mgy, = ;my' + mgy t hav = mgh %3D

Q: A 3.0 kg block slides on a horizontal rough surface toward a spring with k = 500 N/m. O coefficient…

A:

Q: When an archer pulls an arrow back in his bow, he is storing potential energy in the stretched bow.…

A:

Q: Suzie (m=56 kg) is skiing at Bluebird Mountain. She is moving at 16 m/s across the crest of a ski…

A:

Q: A 30 g bullet moving a horizontal velocity of 500 m/s comes to a stop 12 cm within a solid wall. (a)…

A: a. The change in gravitational potential energy of the bullet is zero, since the bullet is moving…

Q: A hunter notches a 0.05 kg arrow in a compound bow and draws the arrow back to set the bow. The…

A: Mass of the arrow , M = 0.05 kg  Work done in setting the arrow , W = 50 J  To find = Speed of the…

Q: One of the largest waterfalls in the world, the Iguazu Falls, are located on the border of Argentina…

A: Given: Mass of the log (M) = 1350 kg Velocity of the log before the fall (u) = 7 m/s Velocity of the…

Q: Consider the shock absorbers of a 1100 kg car. How much energy, in joules, must the shock absorbers…

A:

Q: 1 of 1 Previous Answers Request Answer Submit Incorrect; Try Again; 9 attempts remaining Part D…

A: Using the conservation of energy,            The spring potential energy = potential energy gained…

Q: A 10.0- g bullet is fired into, and embeds itself in, a 2.00- kg block attached to a spring with a…

A: Given,

Q: A mechanical wind-up toy car that weighs 2.0 kg and can accelerate at 10.0 meters per second squared…

A:

Q: A jellyfish can propel itself with jets of water pushed out of its bell, a flexible structure on top…

A:

Q: A child is on a playground swing. Her mom gives her a push at the lowest point and the swing starts…

A: Given that mom gives her a push at the lowest point and the swing starts to swing back and forth…

Q: A 50 g ball of clay traveling at 6.5 m/s hits and sticks to a 1.0 kg block sitting at rest on a…

A: (a)   From the momentum conservation, the speed of the block after the collision as follows.

Q: An 11.0 g rifle bullet is fired with a speed of 400 m/s into a ballistic pendulum with mass 5.00 kg,…

A:

Q: Determine the Value of Total Energy about Point A TEa= Determine the Value of Total Energy about…

A: Mass of the automobile Speed of automobile at point A Speed of automobile at point B For…

Q: Catherine is at the park swinging on the swings. She has a mass of 37 kg and a speed of 7.5m/s as…

A: The formula for the maximum kinetic energy is: In SHM, at equilibrium, the velocity is maximum,…

Q: 1. A 0.234-kg cart is traveling on a frictionless, level track with an initial velocity of 1.23 m/s…

A: . A 0.234-kg cart is traveling on a frictionless, level track with an initial velocity of 1.23 m/s…

Q: 4. A force with magnitude F = 10 N with a fixed orientation is applied on a particle. The particle…

A: (d) The work done by the force on the particle is, W=Fdcosθ

Q: There is a 2.69 kg box at three points in time. The box starts with 450 Joules of mechanical energy.…

A: mass of box (m) = 2.69 kg Total mechanical energy (E) = 450 Joules

Q: Jonathan is riding a bicycle and encounters a hill of height h. At the base of the hill, he is…

A:

Q: Christine (from Activity 15b) throws a 0.3kg ball straight up into the air. The ball is exactly 2m…

A: The ball reaches the maximum height of 12m from the release point and hits the ground 2m below the…

Q: 1. The mechanical energy of the roller coaster at A is equal to that at C. 2. The kinetic energy of…

A: Note- K.E = Kinetic Energy PE= Potential Energy Mechanical Energy or Total Energy= KE + PE

Q: Based on slide 16 from the lecture note, as the student continues to skate from the lowest point to…

A: Given A student skate as shown in the figure Left side friction free and right side surface has…

Q: A pen contains a spring with a spring constant of 214 N/m. When the tip of the pen is in its…

A: In the given question , We have to determine the work done by the spring force to ready the pen for…

Q: A 5g bullet moving with an initial speed of 400m/s is fired into and passes through a 1kg block. The…

A: Using the conservation of mechanical energy, Here the final state is when the block comes to rest…

Q: For the following situations, determine whether the energy of the given system is the same at the…

A: (a)System : Wall - conserved. By third Newton’s third law. Action and reaction are equal.System ;…

Q: 10. A force is applied to an object which undergoes a displacement. What can you conclude if the…

A: Work done= force × displacement × cosA , Where A is the angle between the force applied and the…

Q: 1. The hammer in the image on the right has all 100%... a. Potential energy right before... b.…

A: Introduction: In the day to day life, it is many times observed that the different processes occur…

Q: A very large mass-spring system has stiffness 168 N/m, mass 0.46 kg, and is oriented horizontally…

A:

Q: A 4.00 kg block of ice is placed against one end of a horizontal spring that is fixed at the other…

A: Analyze the diagram of the given situation. (a) The work done on the block by the spring is given…

Q: The maximum energy a bone can absorb without breaking is surprisingly small. For a healthy human of…

A:

Q: A82 A small mass of 5g is attached to one end of a light inextensible string of length 20 cm and the…

A: We'll use law of conservation of energy here

Q: A ball is launched horizontally when a spring is released. A student knows the amount of stored…

A:

Q: 1. A bow is drawn back such that it is storing 90 J of elastic potential energy (EPE). An arrow with…

A: It is given to assume the bow as ideal spring

Q: he bicep curl is an exercise where you lift up a barbell with weights attached by bending your arms…

A:

Q: A 2.0-kg pistol fires a 0.90-g bullet with a muzzle speed of 1000 m/s. The bullet then strikes a…

A:

Q: on 3 roller coaster car travels along the track as shown in the image. Which statement about the…

A:

Q: A 3.59 kg ball is held at rest exactly 3.7 meters in the air. Assume their is no spring in this…

A: A) Gravitational potential energy is given by  PE=mgh=3.59*9.8*3.8=130.17J B) Kinetic energy =1/2mv2…

Q: 2. The windmill in the image on the right has 100%... EEISOOM a. Potential energy right before... b.…

A: (a)   100% potential energy right before it start to rotate and this is because of the height at…

Q: A 0.220-kg block resting on a frictionless, horizontal surface is attached to a spring having force…

A: Solution: Note: As per rules of Bartleby, solutions are provided to first three sub-questions only.…

Q: 3. The skateboarder in the image on the right has 100%... a. Potential energy.. b. Kinetic Energy…

A: In the absence of friction, the mechanical energy is conserved. Expression for the conservation of…

Q: a) Find thé total energy at point top position A b) Its velocity at when it is 9m above the ground…

A: If the external forces acting on the system apart from the force due to gravity, then the total…

Q: As shown in the figure, a 4.0-kg block is moving at 5.0 m/s along a horizontal frictionless surface…

A: (a)   Applying the principle of energy conservation, the force constant (k) of the spring can be…

Q: Suppose you are working on designing a t-shirt launch cannon that works via a spring mechanism and…

A: Launching angle (θ) = 45oLaunching speed (u) = 30 m/s Length of cannon (L) = 0.2 m mass of t shirt…

Q: When a kid swings back and forth on a swing, where do they have the least Kinetic energy? Explain…

A: a kid swings back and forth on a swing. let the mass of child and swing = m

Helmholtz Free Energy

The Helmholtz free energy is a thermodynamic potential used to calculate the measure of useful work from a closed system. This system is kept at constant temperature and volume. German physicist Hermann Helmholtz introduced this concept in 1882.