Problem#4: Calculate an object’s acceleration when ? = 100 ? and when ? = 175 ?. Refer to the v-s graph below. Problem#5: As a vehicle leaves the first point, it gains a speed at the rate of 4 ??/? 2 for 6 ? and then at the rate of 6 ??/? 2 until it has reached the speed of 48 ??/?. The vehicle maintains the same speed until it approaches the second point; brakes are then applied and the vehicle slows down constantly until it stops in 6 ?. The total running time from first point to second point is 40 ?. Plot the a−t, v−t, and x−t graphs, and calculate the distance between the first and second point. Problem#4: Calculate an object's acceleration whens = 100 m and whens = 175 m.Refer to the v-s graph below.(m/s)50-s (m)150200Problem#5: As a vehicle leaves the first point, it gains a speed atthe rate of4 ft/s? for 6 s and then atthe rate of 6 ft/s² until it has reached the speed of48 ft/s. The vehicle maintains the same speed until it approaches the second point;brakes are then applied and the vehicle slows down constantly until it stops in6 s. The total running time from first point to second point is 40 s. Plot the a-t,v-t,and x-t graphs, and calculate the distance between the first and secondpoint.

Solution: Given Data: s=100 m s=175 m

Answered: Problem#4: Calculate an object's…

Engineering

Civil Engineering

Problem#4: Calculate an object's acceleration when s= 100 m and when s = 175 m. Refer to the v-s graph below.

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter8: Time And Time-related Variables In Engineering

Section: Chapter Questions

Problem 28P

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Question

Problem#4: Calculate an object’s acceleration when ? = 100 ? and when ? = 175 ?. Refer to the v-s graph below. Problem#5: As a vehicle leaves the first point, it gains a speed at the rate of 4 ??/? 2 for 6 ? and then at the rate of 6 ??/? 2 until it has reached the speed of 48 ??/?. The vehicle maintains the same speed until it approaches the second point; brakes are then applied and the vehicle slows down constantly until it stops in 6 ?. The total running time from first point to second point is 40 ?. Plot the a−t, v−t, and x−t graphs, and calculate the distance between the first and second point.

Problem#4: Calculate an object's acceleration when
s = 100 m and when
s = 175 m.
Refer to the v-s graph below.
(m/s)
50
-s (m)
150
200
Problem#5: As a vehicle leaves the first point, it gains a speed at
the rate of
4 ft/s? for 6 s and then at
the rate of 6 ft/s² until it has reached the speed of
48 ft/s. The vehicle maintains the same speed until it approaches the second point;
brakes are then applied and the vehicle slows down constantly until it stops in
6 s. The total running time from first point to second point is 40 s. Plot the a-t,
v-t,
and x-t graphs, and calculate the distance between the first and second
point.

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