3. An automobile starting from rest speeds up to 12 m/s with a constant acceleration of 1.2 m/s. Runs at fast speed for some time, and finally comes to rest with a deceleration of 1.5 m/s. If the total distance travelled is 3 20 m, find the total time required. Draw the v-t and s-t curves.

3. An automobile starting from rest speeds up to 12 m/s with a constant acceleration of 1.2 m/s. Runs at fast speed for some time, and finally comes to rest with a deceleration of 1.5 m/s. If the total distance travelled is 3 20 m, find the total time required. Draw the v-t and s-t curves.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter1: The Study Of Motion

Section: Chapter Questions

Problem 7C

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

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3. An automobile starting from rest speeds up to 12 m/s with a constant acceleration of
1.2 m/s. Runs at fast speed for some time, and finally comes to rest with a
deceleration of 1.5 m/s. If the total distance travelled is 320 m, find the total
time required. Draw the v-t and s-t curves.

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