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- Please explain in detail, I will upvote. Thank you.34 35 10P RSPHERE RTRACK Rsphere A 2.4 kg sphere with a 39 mm radius rolls without slipping on the track shown. It is desired to set the height of the 'at rest' starting point so that the sphere 'just barely remains in contact with the track at the highest point in the loop having a 390 mm radius. Determine (a) the minimum linear velocity in m/s at the highest point in the loop, (b) the minimum angular velocity in rad/s at the highest point in the loop and (c) the minimum height in mm. The sphere mass moment of inertia lo = 2/5 m r^2. Hint: What radius does the centroid travel??? ei h. Path- 2.4 390 39 Rtrack 36 Score 20 37 value 30 38 3.Two ladybugs sit on a rotating disk, as shown in the figure (the ladybugs are at rest with respect to the surface of the disk and do not slip). Ladybug 1 is halfway between ladybug 2 and the axis of rotation. What is the ratio of the linear speed of ladybug 2 to of ladybug 1? A) Double B) Same C) Quadruple D) Triple 21 A Ов
- Rotating Wheel A wheel rotates with a constant angular acceleration of 3.90 rad/s?. (a) If the angular speed of the wheel is 2.52 rad/s at t, = 0, through what angular displacement does the wheel rotate in 2.00 s? SOLUTION Conceptualize Imagine a compact disc rotates with its angular speed increasing at a constant rate. You start your stopwatch when the disc is rotating at 2.52 rad/s. This mental image is a model for the motion of the wheel in this example. Categorize The phrase "with a constant angular acceleration" tells us to apply the rigid object under -Select--- angular acceleration model to the wheel. Analyze From the rigid object under constant acceleration model, rearrange the equation so that it expresses the angular displacement of the wheel: A0 = 0,- 0, = ot + Substitute the known values to find the angular displacement at t = 2.00 s. (Be sure your answer is in degrees.): A0 = (b) Through how many revolutions has the wheel turned during this time interval? Multiply the…17-115. A cord is wrapped around each of the two 10-kg disks. If they are released from rest determine the angular acceleration of each disk and the tension in the cord C. Neglect the mass of the cord. 90 mm 90 mmCalculate the rotational inertia of a wheel that has a kinetic energy of 46.4 kJ when rotating at 267 rev/min. Number i Units
- If the length of the rod is reduced, will the rotation rate increase or decrease?Calculate the rotational inertia of a wheel that has a kinetic energy of 44.1 kJ when rotating at 350 rev/min. Number i UnitsWhen switched on, a CD-player will rotate a CD from rest to 500 r.p.m. in 1.75 seconds. How many revolutions will the CD make during this 1.75 seconds? a) 7.29 b) 14.6 c) 45.8 d) 250 Show calculation and explain
- Please answer all parts ! I will upvote !3. A vacuum cleaner belt is looped over a shaft of radius 0.45 cm and a wheel of radius 1.80 cm. The arrangement of the belt, shaft, and wheel is similar to that of the chain and sprockets in figure. The motor turns the shaft at 60.0 rev/s and the moving belt turns the wheel, which in turn is connected by another shaft to the roller that beats the dirt out of the rug being vacuumed. Assume that the belt doesn't slip on either the shaft or the wheel. A. What is the speed of a point on the belt? B. What is the angular velocity of the wheel, in rad/s? Rear sprocket Front sprockethow long does it take an electric saw to stop rotating if it starts at 4300 rad/sec And rotate 2330 revolutions before it can come to a stop