A runner moving at a speed of 8.75 m/s rounds a bend with a radius of 25 m. a) Find the centripetal acceleration of the runner. b) Find his angular speed c) Which of the forces listed below supplies the force needed to give this acceleration to the runner? Normal Weight Tension Friction
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- positivephysics An engineer is trying to determine the maximum speed at which a 700kg car can travel around the curve. The coefficient of friction between the wheels and the road is 0.3. Answer questions for the case when the car is traveling at the maximum speed. Number of forces: Force(s) towards center: Are all forces balanced? X What is the magnitude of the turning friction? x X PREMIUM X 3 What is the centripetal net force on the car? X no X What is the car's centripetal acceleration? X X Unit 10: Circular Motion, Complete Problems 1 (In plane of screen for back view) friction At what maximum speed can the car navigate the curve? 4398 Dashboard A Translate Using g = 10m/s² Keep 3+ sig figs Check Answers Desmos Calculator DELL ISTOIS calis Reference 330m Completion: 7% Accuracy: 5% Lesson 1 Can Be Solved :( 2 3 4Question 4 An object of mass 6.4 kg is traveling in a circle of radius 7.8 m at a speed 14.4 m/s. What is its centripetal acceleration? Answer in m/s2 to one decimal place. Your Answer: Answer units D Add attachments to support your work Question 5 An object with a mass of 2.0 kg is traveling in a circle with a centripetal force of 10.2 N. The radius of the object's motion is 8.4 m. What is the object's acceleration? Answer in m/s? to one decimal place. Your Answer:A curved road with radius 80m is perfectly banked with an angle of 20º. The designed speed of the road is A) 16.89 m/s B) 285.35 m/s C) 29.12 m/s D) 5.4 m/s B O A ос D
- Please asapChildren of mass 54 kg ride on a Ferris wheel as shown in Figure. Children move in a vertical circle of radius 14.5 m at a constant speed of 2.85 m/sec. = 0.56 m/sec² a) What is the centripetal acceleration each of the children? Answer: ac b) What is the normal force from the chair when a child is at the Top of the circle, as shown in the Figure? Draw a Free-Body Diagram for this situation in the figure below. Answer: NTop = 499.0 N c) What is the normal force from the chair when a child is at the Bottom of the circle, as shown in the Figure? Draw a Free-Body Diagram for this situation in the figure below. Answer: N Bottom = 559.4 N Top 7 Bottom RView Policies Current Attempt in Progress On a banked race track, the smallest circular path on which cars can move has a radius of 121 m, while the largest has a radius of 168 m, as the drawing illustrates. The height of the outer wall is 15.1 m. Find (a) the smallest and (b) the largest speed at which cars can move on this track without relying on friction. (a) Number i Units (b) Number Units eTextbook and Media Save for Later Attempts: 0 of 2 used Submit Answer hulu
- 2. A car of mass 1.1 x 103 kg travels around a frictionless, banked curve of radius 85 m. The banking is at an angle of 190 to the horizontal. a) Draw a free body diagram for the above scenario. b) What constant speed must the car move at to travel safely around the curve? c) How does the required speed for a more massive vehicle, such as a truck, compare with the speed required for this car?Determine the linear acceleration of a car that is traveling at 22 m/s around an 85 m radius curve.