Cart Definition and 320 Threads

Make everything in public to save time or have public and private data members and functions: 1) Create a "Item" class with the following members and functions: Item_name Item_price item_qty get/set functions 2) Create a "Cart" class with the following members and functions...

Homework Statement A block of mass m =0.75 kg is set on a large cart of mass M = 6.5 kg. The cart's rollers are frictionless, but there is a coefficient of kinetic friction of 0.36 between the cart's surface and the block. The cart is at rest when the block is given an initial speed of 5.2...

Say a ball rolls down to the right with slipping with on an arc incline so that at the bottom it leaves horizontally. The instant it leaves horizontally and is now on a cart with mass with frictional surface. So the ball will roll on the cart with kinetic friction pushing to the left altering...

Homework Statement A 2.34-kg cart on a long, level, low-friction track is heading for a small electric fan at 0.22 m/s . The fan, which was initially off, is turned on. As the fan speeds up, the magnitude of the force it exerts on the cart is given by at2, where a = 0.0200 N/s2. What is the...

Homework Statement A system consists of a 5.0-kg cart and a 1.4-kg cart attached to each other by a compressed spring. Initially, the system is at rest on a low-friction track. When the spring is released, an explosive separation occurs at the expense of the internal energy of the compressed...

I am trying to derive an expression for the Tension T in the massless bar in the given photo. Where there is a cart that is moving only in the x-direction and the bar is rotating around a point pivoted at the cart with angle theta. The expression that I have is deduced from: ∑ F (towards...

Homework Statement A 1-kg standard cart collides with a cart A of unknown inertia. Both carts appear to be rolling with significant wheel friction because their velocities change with time as shown graph below: What is the inertia of cart A? Homework Equations i am unsure how to even solve for...

Homework Statement Hi all, I have solved these problems just wanted to see if it's all ok problem 1: a trolley starts at the lowest point of a diagonal plane with a 20m/s speed. Its acceleration is 4m/s^2 going downhill, the trolley goes up then slows until it reaches 0 speed and then goes...

Homework Statement [Edit: Copy of figure added by moderator] [1]: http://i.stack.imgur.com/VGhTc.png (sorry for the shabby figure!) The problem-a bob of mass ##m## is hanging from a cart of mass ##M##. The system is released from rest from the position shown. Find the maximum speed of...

Homework Statement [/B] A cart of mass m is adjacent to a wall. it has a mass, also m, attached at point A to a loose spring of constant k. an identical spring is on the opposite wall. the floor of the cart is frictionless apart of the middle part CD with equivalent μ. a force F is applied to...

Is a 6.5kg/cm torque motor enough to move (let.s say at 6km/h) a small go cart and a kid (total w. about 45kg)? this is the motor: http://www.amazon.com/dp/B00T48KC1Q/?tag=pfamazon01-20 PS: this is not for a homework but for a for-fun project.

Hi everyone, I am a senior Chemical Engineering student working on a project for a course of mine designing a remote control car. We have made 10 batteries from hand that each produce roughly 1.5 volts each. The car is fairly heavy and we only have a small electric motor to work with, and thus...

Is this an interesting problem what do you think? A cart consists of a massless platform and two wheels. Each wheel is a disk of mass M. The cart stands on a horizontal road and a man of mass m stands upon the platform. Then the man started to go along the cart and after passing the distance L...

Homework Statement Cart 1 has a mass of 1.5 kg and is moving on a track at 36.5 cm/s [E] toward cart 2. The mass of cart 2 is 5 kg, and it is moving toward cart 1 at 42.8 cm/s [W]. The carts collide. The collision is cushioned by a Hooke's law spring, making it an elastic head-on collision...

Homework Statement I am doing my IB Physics Individual Investigation on how mass affects the stopping distance of a small cart when colliding with an open box at the bottom of an inclined plane. I wanted to know the relationship mass has with the stopping distance, similar to how a train...

Homework Statement [/B] A rod of mass m is attached on the ceiling inside a cart of mass 6m kept at rest. Length of rod is L. Find the velocity of rod with respect to cart when the rod becomes vertical after releasing it. The rod is free to rotate about its point of suspension. Homework...

Homework Statement A cart travels up a hill at a constant velocity in 2.5 (s). What power is developed by the cart? m=120 kg meters=12m θ=21° Homework Equations P=w/t w=F(parallel)×meters×cosθ The Attempt at a Solution P= w/t= Fdcosθ/2.5= F(12)(.93)/2.5= 11,2F/2.5= 4.5F How do I find F?

Hi, I am building a cart for my dog to pull around. I am going to put my child in it once they are about 1. Something like this. The paths we plan to go on though are not very smooth so I want to fit some suspension to the cart to make a smoother journey. Now the weight of the cart will be...

Homework Statement Two adults and a child want to push a wheeled cart in the direction marked x in Fig. P4.33. The two adults push with horizontal forces F1 and F2 as shown, except that the child goes away. Keeping the magnitude of F1 and F2 the same, what angle should F1 make to have the box...

Homework Statement A 12kg shopping cart rolls due south at 1.5m/s. After striking the bumper of a car, it travels at 0.80m/s at 30. degrees E of South. What is the magnitude and direction of the change in momentum sustained by the shopping cart? Homework Equations p = mv The Attempt at a...

Homework Statement A cart has a tank of water on it which has a nozzle. Water jets out from the nozzle onto a turn vane oriented at theta = 30° which deflects the flow upward. The cart is held stationary by a rope as shown in the image below. Find the force in the rope if the velocity of the...

Homework Statement I stumbled upon some thought, suppose we have an electronic fan cart like this https://i.ytimg.com/vi/Zy7JQ0lwj1w/maxresdefault.jpg My question is, when I turn it on and it continue to move, is the power expanded by the fan cart constant? I suspect it is not because it is...

Homework Statement An empty cart travels at 15 m/s as the rain begins to fall. The rain goes into the cart, and adds 10 kg of mass per second. 1) Will the rain cause the momentum of the cart to change? 2) Write an equation for the speed of the cart as a function of time. 3) How fast will this...

Hi, i am a student of bachelors of mechanical engg. (2nd year). I want to build a go cart. But i don't know the basics. I don't know a thing about automobiles. I am learning the catia software for designing. But i don't know what kind of "calculations for go cart" must be required to design the...

Homework Statement The figure shows a cord attached to a 2 kg cart that starts from rest and can slide along a frictionless horizontal rail. The right end of the cord is pulled over a frictionless pulley at height h = 2.0 m above the point of attachment of the cord to the mass, so the cart...

Homework Statement Two identical 0.50-kg carts, each 0.10 m long, are at rest on a low-friction track and are connected by a spring that is initially at its relaxed length of 0.50 m and is of negligible inertia. You give the cart on the left a push to the right (that is, toward the other cart)...

A 1.2 kg cart slides eastward down a frictionless ramp from a height of 1.8 m and then onto a horizontal surface where it has a head-on elastic collision with a stationary 2.0 kg cart cushioned by an ideal Hooke’s law spring. The maximum compression of the spring during the collision is 2.0 cm...

Hello forum. How much current does a 36 volt battery draw under a full load? (Scratch the word battery in this first sentence and replace it with motor). I know I could find it under manufacturers web sites, but I cannot seem to figure it out quickly.

Homework Statement I've uploaded an image of the problem below. The problem states: Determine the value of P which will cause the homogeneous cylinder to begin to roll up out of its rectangular recess.The mass of the cylinder is m, the mass of the cart is M. Friction of the cart wheels i...

Homework Statement A cart roles down the track with an initial velocity vo. Because of falling rain, water starts filling the cart such that its mass increases linearly with time. The rain that has fallen on the track cause the wagon to experience a frictional force characterized with a...

Homework Statement On cart with a mass of 371 kg and another cart with a mass of 495 kg are rolling toward each other. Just before they collide, the 495 kg cart has a speed of 2.09 m/s, and the 371 kg cart has a speed of 1.90 m/s. We will consider the friction between the cart wheels and track...

Hi, I've been trying to figure out how to solve this problem for a few hours, but whatever I do it seems to give me the wrong answer. Problem statement: Fetch data from the roller coaster model. Ignore friction. What is the mechanical energy in cart in situation 1? ## E = E_k + E_p ## Which...

Homework Statement The bead of mass m starts to slide without friction from point A. the mass of the cart and the rail is M. What is the max displacement of the wagon during the motion of the bead? What is the force the rail exerts on the cart when the cart's velocity is maximum? What is the...

Homework Statement A shopper in a supermarket pushes a cart with a force of 35.0 N directed at an angle of 25.08 below the horizontal. The force is just sufficient to balance various friction forces, so the cart moves at constant speed. (a) Find the work done by the shopper on the cart as she...

I was recently hit in a parking lot after parking next to the cart return. I was parked far enough away that the cart boy had plenty of room to take a row of carts through but there was no way a vehicle could get through. When I came out there was considerable damage to the back side panel of...

Homework Statement A 2 kg frictionless cart with a velocity of 6 m/s hits a wall and rebounds with a velocity of 4 m/s. What is the impulse on the cart by the wall? Is momentum conserved? Homework Equations J = Δp The Attempt at a Solution J = Δp = pf-pi = mvf-mvi = 2kg (-4m/s -6m/s) = -20...

Homework Statement I am a substitute today for a physics class. I am baffled by the following and could use some help. A 0.50 kg ball sits on a cart. When the cart is pulled to the right by a net force of 3N, friction exerts a force of 2.0 N on the bottom of the ball. The ball rolls without...

I've gone ahead and uploaded the paper I had filled out during class. For this experiment, students must be able to find the acceleration of a cart using kinematics, dynamics, and energy. A cart with a mass on it (mc=2.48kg) is connected to a mass-less string which is connected to a pulley...

1. The problem statement, all variables and given/known A train of mass M is moving at uniform velocity v, being pulled by a locomotive with power P. A single cart of mass m gets detached. How far will it go before coming to stop? M, v, P and m are known. The attempt at a solution I know I'll...

A problem on an assignment I'm doing deals with a cart of mass m1 which can slide frictionlessly along the x-axis. Suspended from the cart by a string of length l is a mass m2, which is constrained to move in the x-y plane. The angle between the pendulum and vertical is notated as phi. The...

I have to find the velocity of the cart when it lands right under the spring at 90 degrees. The spring is at an angle. I am not getting the right numbers though, can anyone help? This is my first post here BTW. This community looks awesome! 2. Equations You can use anything, but I used both...

Hi, I am facing some issues while dwelling upon the application of Newton's third law of motion to the famous "Horse-Cart" Problem.Anybody who is clueless about what I am talking about please follow the link: https://www.lhup.edu/~dsimanek/physics/horsecart.htm As one can see the whole...

Homework Statement Consider a box sitting on cart. When the cart is pulled with a force, P, the box A moves with the cart without slipping. In all questions, assume there is a negligible amount of drag. There is, however, kinetic friction between the cart and ground. What are the two sets of...

Hello, I'm in a design project of a cart. i want to decide a geared motor power and RPM. but I'm in a trouble with this because I'm unable to calculate the motor with radial friction.the cart is with steel wheel and drive on steel rails. place help. Total weight cart+carrying material - 4.5 Ton...

Homework Statement Emil and Kerry are standing on a stationary cart with frictionless wheels. Total mass of cart and riders is 130 kg. At the same instant, Emil throws a 1.0 kg ball at 4.5 m/s to Kerry while Kerry throws a 0.5 kg ball to Emil at 1.0 m/s. Emil's throw is to the right and...

A cart starts from a height h and goes through a loop of radius r. After going through the loop the cart stikes a spring with spring constant k. How for is the spring depressed. I have solved for the velocity at the top of loop, \(v^2 = gr\). I am stuck with coming up with the equation of...

Homework Statement I'm doing a lab and getting very confused. A cart is on a table. It is attached to a string which goes over a pulley. The pulley is on the edge of the table. On the end of the string there is a mass. When the mass falls straight down, it pulls on the string and makes...

Homework Statement A 60 kg person rides in a 20 kg cart moving at 13 m/s at the bottom of a valley that is in the shape of an arc of a circle with a radius of 36 m. What is the apparent weight of the person as the cart passes the bottom of the valley? Homework Equations F=ma F=(V^2/r) *...

I have a question regarding a friction experiment, so here's what I have so far: Homework Statement Calculate the approximate force of friction between the wheels of a cart and a ramp it is rolling on by only using the cart's mass and different values of acceleration up and down the ramp...

A shopper pushes a grocery cart 20.0 m at constant speed on level ground, against a 35.0 N frictional force. He pushes in a direction 25.0º below the horizontal. Find the force the shopper exerts, using energy considerations. I got stuck on this because they don't give the mass of the cart.