To speed up the unrolling of a telephone cable the trailer with the reel of cable starts from t and is given a constant acceleration of 2.1 ft/sec. Simultaneously, the tow truck pulls the free end of the cable horizontally in the opposite direction with a constant acceleration of 3.4 ft/sec². If both vehicles start from rest at the same instant, determine the magnitude of the total acceleration of point A on the forward end of the horizontal reel diameter (a) just as the motion starts and (b) at a time t= 1.5 sec after the start of the motion. 3.4 ft/see 2.7' A 2.1 ft/sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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To speed up the unrolling of a telephone cable the trailer with the reel of cable starts from rest and is given a constant acceleration of 2.1 ft/sec². Simultaneously, the tow truck pulls the free end of the cable horizontally in the opposite
direction with a constant acceleration of 3.4 ft/sec². If both vehicles start from rest at the same instant, determine the magnitude of the total acceleration of point A on the forward end of the horizontal reel diameter (a) just as the motion
starts and (b) at a time t
= 1.5 sec after the start of the motion.
3.4 ft/sec²
1/9
2.7'
A
2.1 ft/sec²
Transcribed Image Text:To speed up the unrolling of a telephone cable the trailer with the reel of cable starts from rest and is given a constant acceleration of 2.1 ft/sec². Simultaneously, the tow truck pulls the free end of the cable horizontally in the opposite direction with a constant acceleration of 3.4 ft/sec². If both vehicles start from rest at the same instant, determine the magnitude of the total acceleration of point A on the forward end of the horizontal reel diameter (a) just as the motion starts and (b) at a time t = 1.5 sec after the start of the motion. 3.4 ft/sec² 1/9 2.7' A 2.1 ft/sec²
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