A car in stop-and-go traffic starts at rest, moves forward 15 m in 8.0 seconds, then comes to rest again. [Solved]

moves 15 m in 8 sec
distance moved = area of V-T graph = area triangle rectangle triangle
15 = 0.5 V * 4 V * 2 0.5 V * 2
15 = 2V 2V V
5 V = 15
V = top speed = 3 m/s >>>>>>>>>>>>>> answer (3)
================================
triangle 1 = distance = 2V = 6 m>>>>>>>>>>>>>> answer (1)
triangle 2 = distance = V = 3 m >>>>>>>>>>>>>> answer (2)

moves 15 m in 8 sec
distance moved = area of V-T graph = area triangle rectangle triangle
15 = 0.5 V * 4 V * 2 0.5 V * 2
15 = 2V 2V V
5 V = 15
V = top speed = 3 m/s >>>>>>>>>>>>>> answer (3)
================================
triangle 1 = distance = 2V = 6 m>>>>>>>>>>>>>> answer (1)
triangle 2 = distance = V = 3 m >>>>>>>>>>>>>> answer (2)

6m in rectangle

This post is last updated on hrtanswers.com at Date : 1st of September – 2022

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