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1. A car is traveling along a straight highway with a speed of 64.8 kph (18 m/s) when the driver suddenly applies the brakes just before entering the curved section A-B, REDUCING its speed at a constant rate until B. The 100-m long curved section A-B has a constant radius of curvature r. An accelerometer mounted on the car recorded a total acceleration of 1.41 m/s^2 just before the car passes point B. reaches point B 100 m A. If the car takes 8 seconds to travel from point A to point B, what is the speed of the car at point B? B. What is the radius of curvature r of section A-B?

1. A car is traveling along a straight highway with a speed of 64.8 kph (18 m/s) when the driver suddenly applies the brakes just before entering the curved section A-B, REDUCING its speed at a constant rate until B. The 100-m long curved section A-B has a constant radius of curvature r. An accelerometer mounted on the car recorded a total acceleration of 1.41 m/s^2 just before the car passes point B. reaches point B 100 m A. If the car takes 8 seconds to travel from point A to point B, what is the speed of the car at point B? B. What is the radius of curvature r of section A-B?

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1. A car is traveling along a straight highway with a speed of 64.8 kph (18 m/s) when the driver suddenly applies the brakes just before entering the curved section A-B, REDUCING its speed at a constant rate until it reaches point B. The 100-m long curved section A-B has a constant radius of curvature r. An accelerometer mounted on the car recorded a total acceleration of 1.41 m/s^2 just before the car passes point B. B 100 m A. If the car takes 8 seconds to travel from point A to point B, what is the speed of the car at point B? B. What is the radius of curvature r of section A-B?
Transcribed Image Text:1. A car is traveling along a straight highway with a speed of 64.8 kph (18 m/s) when the driver suddenly applies the brakes just before entering the curved section A-B, REDUCING its speed at a constant rate until it reaches point B. The 100-m long curved section A-B has a constant radius of curvature r. An accelerometer mounted on the car recorded a total acceleration of 1.41 m/s^2 just before the car passes point B. B 100 m A. If the car takes 8 seconds to travel from point A to point B, what is the speed of the car at point B? B. What is the radius of curvature r of section A-B?
2. Drone D is flying in a circular path (r = 750 m) at a constant speed of 30 m/s while monitoring the cargo ship S traveling eastward. At the instant shown, cargo ship S is ACCELERATING at a constant rate of 0.8 m/s^2 750 m 20° 30 m/s A. For the instant shown, which of the following vector triangles best represents the relationship between the acceleration of the Drone aD , acceleration of the ship as, and the relative acceleration of the ship with respect to the drone aS/D? В. А. as D. C. a B. What is the Magnitude of the relative acceleration of the ship with respect to the drone aS/D?
Transcribed Image Text:2. Drone D is flying in a circular path (r = 750 m) at a constant speed of 30 m/s while monitoring the cargo ship S traveling eastward. At the instant shown, cargo ship S is ACCELERATING at a constant rate of 0.8 m/s^2 750 m 20° 30 m/s A. For the instant shown, which of the following vector triangles best represents the relationship between the acceleration of the Drone aD , acceleration of the ship as, and the relative acceleration of the ship with respect to the drone aS/D? В. А. as D. C. a B. What is the Magnitude of the relative acceleration of the ship with respect to the drone aS/D?
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