9. ssm Computer-controlled display screens provide drivers in the Indi-anapolis 500 with a variety of information about how their cars are per-forming. For instance, as a car is going through a turn, a speed of 221 mi/h(98.8 m/s) and centripetal acceleration of 3.00 g (three times the accel-eration due to gravity) are displayed. Determine the radius of the turn(in meters).

Given data: Speed of car going through the turn is, v=221 mi/h=98.8 m/s Centripetal acceleration is,…

Answered: 9. ssm Computer-controlled display…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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10. Use the formulas a = v2/r and v = 2πr/T to derive the following formulas: (a) centripetal acceleration in terms of v and T (but not r). (b) centripetal acceleration in terms of r and T (but not v).
9) A fairgrounds ride spins its occupants inside a flying saucer-shaped container. If the horizontal circular path the riders follow has a 9.00 m radius, at how many revolutions per minute will the riders be subjected to a centripetal acceleration whose magnitude is 1.55 times that due to gravity? _____rev/min
1- A hawk flies in a horizontal arc of radius 12.0 m at constant speed 4.00 m/s. (a) Find its centripetal acceleration. (b) It continues to fly along the same horizontal arc, but increases its speed at the rate of 1.20 m/s 2 . Find the acceleration (magnitude and direction) in this situation at the moment the hawk
2. At a sharp horizontal circular turn a train slows down going from 90.0 km/h to 50.0 km/h in the 15.0 s it takes to round the bend. The radius of the curve is 150 m. Assume the train continues to slow down at the same rate. At the moment the train speed reaches 50.0 km/h calculate: the magnitude and direction of the tangential acceleration. the radial acceleration (magnitude and direction). the magnitude and direction of the total acceleration. (a)
A race car starts from rest on a circular track of radius 632m. The cars speed increases at the constant rate 0.690m/s^2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following A). The speed of the race car M/s b). The distance traveled M C). The elapsed time s
13. A skier/snowboarder starts at rest at the top of a snowy (friction-free) hill with height h₁. After the bottom of this hill there is a small "jump" hill. The top of the jump has height h, and a curvature of radius R. What is the minimum height of the starting hill, himin, so that the skier/snowboarder jumps or "catches air" at the top of hill 2? Solve for himin in terms of h₂, R, and g. Hint: if the skier/snowboarder jumps, he/she/they loose contact with the snowy ground. h₁ to jump!
When the car's speed is 4 m/ s, find the acceleration a ) normal to the radius, b) along to the radius, and c) the magnitude and direction of the total acceleration.
39 - a) 265 m/s^2 B) 231 m/s^2 NS) 278 m/s^2 D) 325 m/s^2 TO) 377 m/s^2
1. Consider an object on some trajectory r(t) and define v = r' as the velocity with speed v = [r'|. (a) Show that we can write v = vT. (b) Show that we can write the acceleration as a = arT + anN where ar and an are the tangential and normal acceleration components that are func- tions of the speed and curvature. Explain why an object with constant speed can still experience an acceleration. (c) Consider a trajectory r(t) = (t² – 1,t – t³). Compute the curvature as well as the tangential and normal components of the acceleration.
You are on a boat in the middle of the Pacific Ocean at the equator traveling in a hydrofoil going at a constant speed of 300 ?/?. The water is perfectly still. What is your acceleration: a) If you're heading due North? b) If you're heading due East? c) If you're heading straight up (something probably went wrong at this point). Assume the following: The earth has a radius of 6371 km. The earth makes one full revolution every 24 hours. The gravitational constant at sea level is 9.81 m/s2. East and North are relative to the Earth's axial north, not magnetic north.
A race car starts from rest on a circular track of radius 632m. The car’s speed increases at the constant rate of 0.690m/s^2. At this point where the magnitude of the centripetal and tangential accelerations are equal, find the following A) the speed of the race car m/s B) the distance traveled M C) The elapsed time s
1. ssm A car travels at a constant speed around a circular track whose radius is 2.6 km. The car goes once around the track in 360 s. What is the magnitude of the centripetal acceleration of the car?

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