Physics Lab 4

Feedback Print Asteroids X, Y, and Z have equal mass of 4.0 kg each. They orbit around a planet with M = 5.20×1024 kg. The orbits are in the plane of the paper and are drawn to scale. i The three asteroids orbit in the same clockwise direction. The angular momentum of X is .... that of Y. The angular velocity of X at s is .... that of Y at s. The angular velocity of Y at s is .... that at v. The period of Z is .... that of X. equal to equal to equal to less than greater than The angular velocity of X at s is .... that at i. equal to equal to The period of X is .... that of Y. The angular momentum of Z at i is .... that at c. Submit Answer Incorrect. Tries 2/12 Previous Tries Post Discussion

Fundamentals of Physics, 11th Edition, Custom WileyPLUS Course for West Help SystemAnnouncements PRINTER VERSION BACK NEXT Chapter 10, Problem 071 In the figure, two 7.10 kg blocks are connected by a massless string over a pulley of radius 2.00 cm and rotational inertia 7.40 x 10 kg m2. The string does not slip on the pulley, it is not known whether there is friction between the table and the sliding block, the pulley's axis is frictionless. When this system is released from rest, the pulley turns through 0.700 rad in 143 ms and the acceleration of the blocks is constant. What are (a) the magnitude of the pulley's angular acceleration, (b) the magnitude of either block's acceleration, (c) string tension T, and (d) string tension T2? Assume free-fall acceleration to be equal to 9.81 m/s?. T. (a) Number Units (b) Number Units (c) Number Units (d) Number Units LINK TO TEXT LINK TO SAMPLE PROBLEM LINK TO SAMPLE PROBLEM VIDEO MINI-LECTURE Question Attempts: 0 of S used SAVE FOR LATER SUBMIT…

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A 180 g , 35.0-cm-diameter turntable rotates on frictionless bearings at 61.0 rpm . A 25.0 g block sits at the center of the turntable. A compressed spring shoots the block radically outward along a frictionless groove in the surface of the turntable. Part A What is the turntable's rotation angular velocity when the block reaches the outer edge? Express your answer with the appropriate units. HA Value Units Submit Request Answer < Return to Assignment Provide Feedback

I Review Constants Periodic Table (Figure 1) In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall.. The cylinder begins to rotate about a vertical axis. Then the floor on which the passengers are standing suddenly drops away! If all goes well, the passengers will "stick" to the wall and not slide. Clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. Part A What is the minimum rotational frequency, in rpm, for which the ride is safe? Express your answer in revolutions per minute. Figure 1 of 1 • View Available Hint(s) f = rpm Submit

Velocity Task Introduction: The pedal of a bicycle is attached to a crank arm that revolves when the pedal is pushed by a person's foot. As the crank arm turns, it pulls a chain that is attached to the rear wheel of the bicycle, causing the bicycle to move forward. O 18 cm 16 cm A particular bicycle has wheels that are 66 cm in diameter. The radius of the crank arm is 18 cm. At its lowest point, the pedal is 16 cm above the ground. A person is pedaling the bicycle such that the crank arm rotates once every second. Questions: 1. Write an equation that models the vertical position of the foot with respect to the ground, starting from the lowest point, as the crank arm turns. 2. What is the rate of change of the vertical position of the foot when it is at the midline? Explain your answer 3. How fast, in kilometres per hour, is the bicycle moving? 4. Determine an equation that would model the foot's position when the cyclist is traveling 5 km/h. Compare this equation to your equation from…

Url=https%253A%252F%252Fnewconnect.mheducation.com%252F#... ch5 Saved Help Save & Exit 15 Check my w A 0.700-kg ball is on the end of a rope that is 1.70 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes a constant angle of 70.0° with respect to the vertical. What is the tangential speed of the ball? ts 70.0° eBook Hint Print eferences Axis of rotation m/s < Prev Nex 15 of 36 raw JM PD...pdf MacBook Air

A 1.15-kg grinding wheel 22.0 cm in diameter is spinning counterclockwise at a rate of 20.0 revolutions per second. When the power to the grinder is turned off, the grinding wheel slows with constant angular acceleration and takes 80.0 s to come to a rest Part A What was the angular acceleration (in rad/s) of the grinding wheel as it came to rest if we take a counterclockwise rotation as positive? Express your answer in radians per second squared. V ΑΣΦ Submit Request Answer Part B ? rad/s2 How many revolutions did the wheel make during the time it was coming to rest? Express your answer as a number of revolutions. ΜΕ ΑΣΦ Submit Request Answer Provide Feedback ? revolutions Next>>

Two boxes are arranged as in the diagram below. The left box has a mass of 10.0 kg and the right 5.00 kg. The pulley has a mass of 3.00 kg and a radius of 0.200 m. A. The left box is set 1.00 m above the ground and released. What is the acceleration of the system? B. What is the tension on the rope between the left mass and the pulley? C. What is the tension on the rope between the right mass and the pulley?

c. Ground level 2 being the next fastest, etc. If two disks have the same center of mass speeds, give them the same ranking. Free Response Question Three disks are initially placed at the top of an incline and released from rest. They each roll without slipping down the incline. Disk A has mass M and radius R, disk B has mass 2M and radius R, and disk C has mass M and radius 2R. Disk A Disk B Disk C a. Rank the disks from greatest to least based on their total kinetic energy at the bottom of the incline, with 1 being the most energy, 2 being the next most energy, etc. If two disks have the same total kinetic energy, give them the same ranking. Justify your ranking. c. Your teacher uses wax on the incline to decrease friction to the point where disk A is rolling and slipping down the incline. How does the speed of the center of mass of disk A at the bottom of the waxed incline compare to what it is when it was rolling without slipping? A. Greater with slipping B. Greater without…

Consider the game "tetherball". A 0.5kg tetherball ball is attached to a 1.0m long cord. If the cord makes an angle of 30 degrees to the horizontal determine, A. The tangential speed of the ball B. The tension in the rope C. The rotational frequency of the ball d) How many cycles does the ball make in 30minutes?

m₁ m₂ Blocks of mass m1 and m2 are connected by a massless string that passes over the pulley in the figure (Figure 1). The pulley turns on frictionless bearings, and mass m1 slides on a horizontal, frictionless surface. Mass m2 is released while the blocks are at rest. Suppose the pulley has mass mp and radius R Find the tension in the lower portions of the string. Verify that your answers agree with part B if you set mp=0

A box, mass m, = 0.250 kg is tied to a rope wrapped around a pulley as shown on the right. The pulley is essentially a disk with mass m, =1.00 kg and radius 4.00 cm. As the box falls, the rope unwinds without slipping and spins the pulley. a) Draw a free-body diagram for the pulley and box. m b) Write down Newton's second law appropriate for the pulley and box. c) Find the acceleration of the block. d) Find the tension in the rope.

What is the angular speed of pulley A? What is the angular speed of pulley B?

In this week's lab, we will investigate the centripetal force of a simple pendulum. If a simple pendulum, consisting of a small pendukum bob with mass of 100.0 g attached to a string of length 1.5 m, experiences a net radial force of 9.0 N, what is the speed of the bob? Show all equations and calculations. Upload Choose a File

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F, F2, Problem 2. Three 10-N forces act on a beam as shown to the right. a. Calculate the torque produced by force 1 about point P. b. Calculate the torque produced by force 2 about point P. c. Calculate the torque produced by force 3 about point P. d. Calculate the net torque about point P. 60° F3 0.5 m 0.5 m 0.5 m

8. A 2lb ball bearing is pushed along a smooth horizontal track : r= 1- cos(0) by a force F in the y-direction. The ball moves such that 0 = constant= =0.5. Find the force F and track normal force when 0=30° = track top view answer is N=0.002941|b and F = 0.02121 Lb %3D

Question 4 of 6 iew Policies Show Attempt History Current Attempt in Progress Your answer is partially correct. In the figure, a small 0.123 kg block slides down a frictionless surface through heighth = 0.643 m and then sticks to a uniform vertical rod of mass M = 0.246 kg and length d = 2.14 m. The rod pivots about point O through angle 6 before momentarily stopping. Find 0. Number i Units * (degrees) 54°F DELL Cloudy esc DII prt sc

REPRESENT/SOLVE/COMMUNICATE A carousel has a radius of 17 feet and takes 30 seconds to make one complete revolution.  What is the LINEAR speed of the carousel at its outside edge?  Express your answer in feet per second.