Question
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution
Trending nowThis is a popular solution!
Step by stepSolved in 4 steps with 3 images
Knowledge Booster
Similar questions
- 28arrow_forwardThe answer is supposed to be v=2.56m/s but I'm not sure how to write out the problem.arrow_forwardTwo masses, m₁ = 31.0 kg and mp = 42.0 kg are connected by a rope that hangs over a pulley (as in the figure(Figure 1)). The pulley is a uniform cylinder of radius R = 0.316 m and mass 3.3 kg. Initially, mis on the ground and mp rests 2.5 m above the ground. igure MA MB 4 2.5 m 1 of 1 Part A If the system is now released, use conservation of energy to determine the speed of mp just before it strikes the ground. Assume the pulley is frictionless. Express your answer using three significant figures and include the appropriate units. V = Di Value Submit μA Drovide Foodhark Request Answer P Pearson Units Review | Constants ?arrow_forward
- Item 21 Part A A child is pushing a merry-go-round. The angle through which the merry-go-round has turned varies with time according to 0(t) = yt+ Bt³, where y=0.450 rad/s and B= 0.0115 rad/s³. Calculate the angular velocity of the merry-go-round as a function of time. For related problem-solving tips and strategies, you may want to view a Video Tutor Solution of Calculating angular velocity. Express your answer in terms of the variables B, y, and t. Πν ΑΣφ w:(t) = Submit Request Answer Part B What is the initial value of the angular velocity? Express your answer in radians per second. ? Wz = rad/s Submit Request Answerarrow_forwardA person pushes on a lever 0.7 meters away from the axis of rotation with 100 N of force. The rotational inertia of the lever is 35 kg*m2. Calculate the angular acceleration of the lever.arrow_forwardA clay cylinder of radius 21 cm on a potter's wheel spins at a constant rate of 15 rev/s. The potter applies a normal force of 15.3 N to the clay with his hands where the coefficient of friction is 0.1 between his hands and the clay. What is the power (in W) that the potter has to deliver to the wheel to keep it rotating at this constant rate?arrow_forward
- Consider the rotational kinematic motion profile indicated below. t: 0 → 5 s = 0 deg/s , R O(0) = 0 deg = 0 deg/s Y(0) = 0 deg = 6 deg/s , Q Ф(0) = 0 deg O deg %3D t: 5 → 15 s P = 0 deg/s Ó = 6 deg/s Ý(t) = 3/cos(0(t)) deg/s Compute roll angle O at t = 15 s.arrow_forwardA hoop rolls down a 4.75 m high hill without slipping. d = 4.75 m What is the final speed of the hoop, in meters per second? v =arrow_forwardThere are two wheels. Wheel one has a constant of Ω=2π/3 s^-1 and a radius of 0.3m. Wheel two has a constant a=π/2 s^-2, an initial Ω=-π/10 a d a radius of 0.2m. If these two wheels were to start at x=0, which one would travel 10m first?arrow_forward
- What is the angular speed in revolutions per minute (rpm) of a 16.9 g CD with a rotational period of 141 seconds? A 0.374 rpm B 0.213 rpm C 0.553 rpm D 0.511 rpm E 0.426 rpmarrow_forwardA rock tied to the end of string swings at a constant angular rate. If you are told that the string can support a total of 85 N of force before breaking, what is the maximum angular velocity the rock can rotate if the rock has a mass of 0.16 kg, and the length of the string is 0.5 m? Give your answer in units of radian per secondarrow_forwardCalculate the rotational inertia of a wheel that has a kinetic energy of 33.2 kJ when rotating at 923 rev/min. Number Units Use correct number of significant digits; the tolerance is +/-2%arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios