Physics

Circular Motion

5. A 500 kg mass is rotating with a tangential velocity of 2000 m/s in deep space. If the mass has an average radius of 200 meters then what would be the expected force that keeps the mass from blowing apart?

10% Sun 6:50 PM Chrome File Edit View History Bookmarks Profiles Tab Window Help x X X & Women on Poshmark College Physics Assignment Cengago Convert 60.0° to radiano, 11,0 Update webassign.net/web/Student/Assignment Responses/submit?dop.28129268&tagsautosaven question4267451_3 MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 8. (-/3 Points) DETAILS SERCP11 7.3.OP.015. The figure below shows an object initially at point A traveling in the +x-direction. It turns in a circular path at constant speed until it is traveling in the +y direction at point C. The quarter-cirde arc from A to C is 230 m in length, and the particle moves from A to C in 32.0 s. Point B on the path is 35.0° below the x-axis. o 35.0° C B (a) What is the speed of the object (in m/s)? m/s magnitude in m/s? and the direction in degrees counterclockwise from the +x-axis.) (b) What is the magnitude and direction of the acceleration when the object is at point B? (Enter magnitude m/s2 direction • counterclockwise from the +x-axis Need Help? Rand It MY NOTES PRACTICE ANOTHER ASK YOUR TEACHER SERCP11 7.3.P.007. PREVIOUS ANSWERS DETAILS 9. [2/4 Points) A bicyclist starting at rest produces a constant angular acceleration of 1.40 rad/s? for wheels that are 34.5 cm in radius. FZZI

A 0.15 kg rubber ball on a 2.34 m length of string is swung in a horizontal circle, moving at 20.68 m/s. What is the ball's centripetal force (F)? Round your answer to the nearest 0.01. Do not add units to your answer.

O Mail - Brianna Wright - Outlook x PaperCut MF: Web Print x Course Home X + + → C openvellum.ecollege.com/course.html?courseld=16921996&OpenVellumHMAC=0cd686415edeb75919ed007220130388#10001 Problem 11.40 8 Syllabus 8 of 12 Scores 1 Review A 2.90 kg bucket is attached to a disk-shaped pulley of radius 0.131 m and mass 0.642 kg . If the bucket is allowed to fall, e Text Part A Study Area Part B Document Sharing User Settings Part C Course Tools How far does the bucket drop in 1.30 s? IVO ADO ? Ay = m Submit Request Answer Next > Provide Feedback Pearson

A 0.018 kg rubber stopper is attached to a 0.532 m length of string. The stopper is swung in a horizontal circle, making one revolution in 0.48 seconds. Find the stopper's velocity (v). Round your answer to the nearest 0.01. Do not add units to your answer.

> Question 20 2 pts A ball is moving in a circular path on the end of a string. The ball has a constant speed of 5.79 m/s and a centripetal acceleration of 13.23 m/s2. Determine the length of the string (radius). Round your answer to the nearest 0.01. Do not include units.

TRIAL A 0.03 Stopper Mass (kg) Hanger Mass (kg) 0.091 0.499 Period (s) Radius (m) 0.849 Use the data above to calculate the tangential velocity for TRIAL A. Round your answer to the nearest 0.01 (hundredths place). Do not add units.

Question 18 2 pts A string pulls on a rock, causing it to move in a horizontal circle. The rock's mass is 0.69 kg, the string length is 3.07 m, and the centripetal force is 11.22 N. What is the rock's speed? Round your answer to the nearest 0.01. Do not include units.

5.07 Unit 5 Review Login - Powered by Skyward X courses/159040/quizzes/367897/take Google Drive Sora hulu X Edgenuity N netflix Apple Music PREST) portal s Savvas Read the following question and choose the correct equation to solve it: "A string that is 0.55 m long exerts a centripetal force of 11.4 N on a 0.10 kg yo-yo that is whirling on the end of a string. What is the velocity of the yo-yo?"

h nuru Edgenuity netflix Apple Music PSD portal Savva S Question 24 2 pts A 0.14 kg rubber ball on a 2.45 m length of string is swung in a horizontal circle, moving at 7.79 m/s. What is the ball's centripetal force (F)? Round your answer to the nearest 0.01. Do not add units to your answer. Question 25 2 pts

4. You drive your car across the crest of a hill. a. Construct a free-body diagram of the problem. b. With what speed must you drive your car across the crest of a hill of radius 45-m in order to feel weightless ?

stion 2 O out of 10 points A dental drill takes 3 s to go from rest to its operating angular speed of 177 477 rpm. Through what angle (in revolutions) has the drill rotated in this time? X Selected Answer 532,431

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