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1. The car moves in a straight line from position Ô to s = 6t2 + 5t m where t is in sec. Determine the velocity and acceleration when t= 5s. (10 MARKS) 2. The crate has a mass of 80kg and is being towed by a chain which is always directed at 20 from the horizontal as shown.

1. The car moves in a straight line from position Ô to s = 6t2 + 5t m where t is in sec. Determine the velocity and acceleration when t= 5s. (10 MARKS) 2. The crate has a mass of 80kg and is being towed by a chain which is always directed at 20 from the horizontal as shown.

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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SECTION A ANSWER ALL THE QUESTIONS IN THE SHEETS PROVIDED. (20 MARKS) 1. The car moves in a straight line from position O to s 6t2 + 5t m where t is in sec. Determine the velocity and acceleration when t= Ss. a, v (10 MARKS) 2. The crate has a mass of 80kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. 20 If the magnitude of P is increased untirthe crate begins to slide, determine the crate's initial acceleration if the coefficient of static friction is u. = 0.5 and the coefficient of kinetic friction is u, = 0.3. (Draw free-body diagram) (10 MARKS) *** END OF QUESTION PAPER ***
Transcribed Image Text:SECTION A ANSWER ALL THE QUESTIONS IN THE SHEETS PROVIDED. (20 MARKS) 1. The car moves in a straight line from position O to s 6t2 + 5t m where t is in sec. Determine the velocity and acceleration when t= Ss. a, v (10 MARKS) 2. The crate has a mass of 80kg and is being towed by a chain which is always directed at 20° from the horizontal as shown. 20 If the magnitude of P is increased untirthe crate begins to slide, determine the crate's initial acceleration if the coefficient of static friction is u. = 0.5 and the coefficient of kinetic friction is u, = 0.3. (Draw free-body diagram) (10 MARKS) *** END OF QUESTION PAPER ***
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