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A particle in planar motion is described with rectangular coordinates such that x = 51² and y = x/10 where t is in seconds and x and y are in inches. After t = 4 seconds, what is the speed of the particle in the y-direction, vy? a. 40 in/s b. 20 in/s c. 0.1 in/s d. 5 in/s e. none of the above no ca bas sowog to qui dw boilage

A particle in planar motion is described with rectangular coordinates such that x = 51² and y = x/10 where t is in seconds and x and y are in inches. After t = 4 seconds, what is the speed of the particle in the y-direction, vy? a. 40 in/s b. 20 in/s c. 0.1 in/s d. 5 in/s e. none of the above no ca bas sowog to qui dw boilage

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A particle in planar motion is described with rectangular coordinates such that x = 5t² and y=x/10 where t is in seconds and x and y are in inches. After t = 4 seconds, what is the speed of the particle in the y-direction, vy? a. 40 in/s b. 20 in/s c. 0.1 in/s d. 5 in/s e. none of the above a. b. na ad bas sowog to qui dil baile A car is travelling around a circular track with a radius of 300 feet. At an instant in time, the magnitude of the car's total acceleration is 10 ft/s², and the car is decreasing its speed at a rate of 6 ft/s². What speed is the car travelling at that instant? 34.6 ft/s 54.8 ft/s c. 49.0 ft/s d. 42.4 ft/s e. none of the above Tolom: 11
Transcribed Image Text:A particle in planar motion is described with rectangular coordinates such that x = 5t² and y=x/10 where t is in seconds and x and y are in inches. After t = 4 seconds, what is the speed of the particle in the y-direction, vy? a. 40 in/s b. 20 in/s c. 0.1 in/s d. 5 in/s e. none of the above a. b. na ad bas sowog to qui dil baile A car is travelling around a circular track with a radius of 300 feet. At an instant in time, the magnitude of the car's total acceleration is 10 ft/s², and the car is decreasing its speed at a rate of 6 ft/s². What speed is the car travelling at that instant? 34.6 ft/s 54.8 ft/s c. 49.0 ft/s d. 42.4 ft/s e. none of the above Tolom: 11
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