lab report 10 - PHY2053L

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account_circle   Science PhysicsQ&A LibraryA child’s toy consists of a m = 31 g monkey suspended from a spring of negligible mass and spring constant k. When the toy monkey is first hung on the spring and the system reaches equilibrium, the spring has stretched a distance of x = 17.6 cm, as shown in the diagram. This toy is so adorable you pull the monkey down an additional d = 7.6 cm from equilibrium and release it from rest, and smile with delight as it bounces playfully up and down.  1. Calculate the speed of the monkey, ve, in meters per second, as it passes through equilibrium.  2. Derive an expression for the total mechanical energy of the system as the monkey reaches the top of the motion, Etop, in terms of m, x, d, k, the maximum height above the bottom of the motion, hmax, and the variables available in the palette.   3. Calculate the maximum displacement, h, in centimeters, above the equilibrium position, that the monkey reaches. A child’s toy consists of a…

HW help: Just part c please.

Physics 121 Spring 2021 - Document #11: Homework #04 & Reading Assignment page 4 of 8 Problem 1: Gnome Ride - This from a Previous Exam I. A Gnome of given mass M goes on the Gnome Ride as follows: He stands on a horizontal platform that is connected to a large piston so that the platform is driven vertically with a position as a function of time according to the following equation: y(t) = C cos(wt) Here w is a constant given angular frequency, C is a given constant (with appropriate physical units) and y represents the vertical position, positive upward as indicated. Part (a) - What is the velocity of the Gnome at time t = 0? Explain your work. Present your answer in terms of the given parameters Part (b) – What is the net force on the Gnome at time t = 0? Explain your work. Present your answer in terms of the given parameters Part (c) – What is the Normal Force on the Gnome at time t = 0? Explain your work. Present your answer in terms of the given parameters Some Possibly Useful…

An exuberant 30 lb beagle awaiting dinner jumps to a height of 2.5 feet once every 4 seconds. The beagle continues this for 5 minutes. If the beagle is 20% efficient at converting kibble calories into motion, how many grams of kibble will it need to fuel this activity? Dry canine fare, for the most part, contains roughly 97 Calories for each 1 ounce. From the waste heat, how much (degC) will the beagle's temperature increase (all else equal and no heat loss to the surroundings)? Remember a food Calorie is actually a kcal.

i just need part 3

1) The first man who studied and partially understood the kinematics of a particle falling in the earth's gravitational field was Leonardo da Vinci (1452-1519). He constructed an apparatus consisting of two vertical boards, hinged together on one side and covered with blotting paper on the inside faces. A leaking water tap lets drops fall down between the boards at presumably equal intervals of time. When a string is suddenly pulled, the boards are clapped together and the positions of the drops on the blotters can be inspected. Suppose that the vertical boards are 3 feet long and the leaking faucet is at such height and the rate of dropping is so regulated that when a drop is just coming out of the faucet, the next or second drop is just at the top of the boards and the sixth drop is at the bottom of the boards, while drops 3, 4 and 5 are between the boards. Calculate the number of drops leaving the faucet per second. ANS. 11.35 drops/sec

Fundamental.9 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy...) will be automatically considered false. For the problem related to Fundamental.9 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. The uniform 19 lb beam is initially at rest when the forces FA applied at A (on its left hand-side) is vertical and FB applied at B (on its right hand-side) forms an angle 0=56° with the horizontal. FA FB A В. B 0 12 ft Determine FA (answer in the cell bellow) and FB to make sure that: • the beam has no angular acceleration • its horizontal horizontal acceleration is 1.6-times smaller than its vertical acceleration

The ideal gas law, discovered experimentally, is an equation of state that relates the observable state variables of the gas--pressure, temperature, and density (or quantity per volume): PV = NkBT (or pV = nRT), Figure L₂ Lx 1 of 1 Part A Find the magnitude of the average force (F) in the x direction that the particle exerts on the right-hand wall of the container as it bounces back and forth. Assume that collisions between the wall and particle are elastic and that the position of the container is fixed. Be careful of the sign of your answer. Express the magnitude of the average force in terms of m, vr, and L₂. ► View Available Hint(s) Submit Part B IVE ΑΣΦ ? Imagine that the container from the problem introduction is now filled with N identical gas particles of mass m. The particles each have different x velocities. but their average x velocity squared. denoted

3 www 2 1 CC BY UBC Engineering 7 A modern art sculpture consists of a collar, a spring, and a circular track. The collar has a mass of m = kg and the radius of the track is r = 0.5 m. If the spring is attached to a point P which is a vertical distance d : point P), determine the change in potential energy between state 1 and state 2, and between state 1 and 0.3 m away from the perimeter of the circular track (d is measured between point 1 and N 80 state 3. The unstretched length of the spring is 0.15 m and the spring constant is k m

Fundamental.8 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy...) will be automatically considered false. For the problem related to Fundamental.8 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. A force P is applied at an angle =39 to a 311-kg cart. 0.4 m 0.3 m 0.08 m The acceleration of the cart is 2 m.s-². G B 0.2 m 0.3 m 1. What is the magnitude of the force P (answer on your hand-written work and in the cell below)? 2. What are the reaction at A and B?

Fundamental.8 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy...) will be automatically considered false. For the problem related to Fundamental.8 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. A force P is applied at an angle 0 =51 to a 869-kg cart. The kinetic friction coefficient on wheels is 0. P 0 0.4 m 0.3 m 0.08 m The acceleration of the cart is 1.2 m.s2. G B 0.2 m 0.3 m 1. What is the magnitude of the force P (answer on your hand-written work and in the cell below)? 2. What are the reaction at A and B?

You are part of a car accident investigative team, looking into a case where a car drove off a bridge. You are using the lab projectile launcher to simulate the accident and to test your mathematical model (an equation that applies to the situation) before you apply the model to the accident data. We are assuming we can treat the car as a projectile.

Fundamental.7 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy ...) will be automatically considered false. For the problem related to Fundamental.7 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. At the instant 0=50 degrees, the boy's center of mass G has a downward speed VG =11-ft/s. Determine: l-ft G • the rate of increase in his speed, • and the tension in each of the two supporting cords of the swing at this instant (put your answer in the cell below) The boy weights 42-lb. The rope length is 11-ft. Neglect his size and the mass of the seat and cords.

Fundamental.7 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy ...) will be automatically considered false. For the problem related to Fundamental.7 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. B The pendulum bob B has a weight of 3lb and is released from rest in the position shown, 0 =0°. Determine the tension in string BC of length r = 4 ft at the instant the bob reaches point D, =4°.

Fundamental.7 deals with the equation of motion. The use of the equation of motion to solve this problem is mandatory. Solution using other approaches (conservation of energy...) will be automatically considered false. For the problem related to Fundamental.7 sketches of the system showing: • the respective velocity and acceleration and the frame of reference considered • the forces acting on the system of considered, in other words, a free body diagram (FBD) are mandatory. Their absences will automatically make the problem false. Z Lft 0 The 6-lb man lies against the cushion for which the coefficient of static friction is 0.7. The angle the cushion has is 56° Determine the smallest angular velocity he rotates about the z-axis, at L=9-ft from G, to ensure the man will not slip.

I need only handwritten otherwise I'll dislike   Here theta = 10 degree , tension T = 17 lb , coefficient of rolling resistance = 7.40 x 10 ^-2 in

1. In the laboratory, when you hanged 100 grams at the end of the spring it stretched 10 cm. You pulled the 100-gram mass 6 cm from its equilibrium position and let it go at t = 0. Find an equation for the position of the mass as a function of time t. 2. The scale of a spring balance found in an old Physics lab reads from 0 to 15.0 kg is 12.0 cm long. To know its other specifications, a package was suspended from it and it was found to oscillate vertically with a frequency of 2.00 Hz. Calculate the spring constant of the balance? (b) How much does the package weigh?

Three identical balls are tied by light strings to the same vertical light rod and rotate around it with the same angular velocity, as shown below. a) What is the ratio of the rotational kinetic energy of the first ball to the rotational kinetic energy of the second ball, to the rotational kinetic energy of the third ball? Demonstrate the answer in a form of KE1 : KE2 :KE3 b) Imagine, during the rotation, the second string broke and second ball got removed from the system. If the masses of the balls are 100g each and initial angular velocity (before string broke) was 10 rpm, what is the new angular velocity, when only first and third balls remain rotating? c) Where is the center of mass of this system is located? 1 m ball 1 2 m ball 2 3 m ball 3

The following figure represents a bicep curl maneuver where the center of mass (CoM) of a 23 kg dumbbell is 0.29 m from the elbow joint (pivot). The mass of the arm is 5 kg and acts 0.17 m from the elbow joint, and the biceps tendon acts at a distance of 0.01 m from the elbow joint. A)The triceps produces a negligible force and the arm is at an angle of 15 degrees above the horizon. The given distances from the joint are the distances along the line that is 15 degrees above the horizon as shown in the figure. What magnitude of force in newtons (N) must the biceps muscle produce to hold the 23 kg mass in place (static equilibrium) b)

Given: The plane accelerates in its current trajectory with a= 100 m/s^2 Farag Angle theta= 5° W=105 kips F_drag= 80 kips m= 1000 lbs Find: F_thrust, F_lift Please include the KD. Fthrust Futel t Fueight 000 BY NC SA 2013 Michael Swanbom

February 7, 2021 H.W MECHANICS PHrsics Example 5.13 Friction in horizontal motion You want to move a 500-N crate across a level floor. To start the crate moving, you have to pull with a 230-N horizontal force. Once the crate "breaks loose" and starts to move, you can keep it moving at constant velocity with only 200 N. What are the coeffi- cients of static and kinetic friction? Example 5.15 Minimizing kinetic friction In Example 5.13, suppose you move the crate by pulling upward on the rope at an angle of 30 above the horizontal. How hard must you pull to keep it moving with constant velocity? Assume that H = 0.40. Example 5.16 Toboggan ride with friction I Let's go back to the toboggan we studied in Example 5.10. The wax has worn off, so there is now a nonzero coefficient of kinetic friction 4. The slope has just the right angle to make the toboggan slide with constant velocity. Find this angle in terms of w and Hg. Example 5.17 Toboggan ride with friction II The same toboggan with…

Rotational Motion Q8: please answer each part and explain each step and reasoning