The velocity-time graph for an object moving in a straight line is shown below. What was the acceleration of the object at the time t = 1.38 s, in units of m/s2? velocity-time graph for an object 7654m21 (s/w)

The velocity-time graph for an object moving in a straight line is shown below. What was the acceleration of the object at the time t = 1.38 s, in units of m/s2? velocity-time graph for an object 7654m21 (s/w)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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01: Select the right answer for the following: The graph below describes the relationship between velocity and time for a moving object. Use this graph for questions 1 through 6. v (m/s) Ar t (s) 11 1. What is the acceleration at time t= 1 s? (A) 4 m/s? (B) 2 m/s? (C) -2 m/s? (D) -4 m/s? 2. What is the acceleration at time t = 8 s? (A) 4 m/s2 (В) -2 m/'s (C) -4 m/s (D) 0 m/s² 3. What is the acceleration at time t = 6 s? (A) I m/s² (B) 2 m/s? (C) -4 m/s² (D) 0 m/s? 4. What is the total displacement for the entire trip? (A) 18 m (B) 12 m (C) 6 m (D) 30 m 5. What is the total traveled distance for the entire trip? (A) 18 m (В) 12 m (C) 6 m (D) 30 m 6. Between what times does the object approach the origin at the constant speed? (A) 2 sec to 5 sec (B) 6 sec to 7 sec (C) 7 sec to 9 sec (D) 9 sec to 10 sec 7. An object is dropped from rest from the top of a 400 m cliff on earth. If the air resistance is negligible, what is the distance the object travels during the first 6 sec of its fill?…
B. C 15.0 m D 16.0r E 20.01 Which of the following charts TSTS shows a uniform velocity of a 4 5 Time (s) body in motion? length of tape/cm 3 of the body is 4. velocity/m 10 20 30 40 50 60 70 number of ticks gure 4 shows object. 1 length of tape/lam 8. 6. A veloc shown follow time/s 10 20 30 40 S0 60 70 number of ticks 12 14 motio length of tapelcm A T nce moved n it travels ity? 80 m 160 m 8. B. 6. D 10 20 30 40 5O 60 70 number of ticks
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I have data accrued from a fan could you explain to me the concepts and show me how to calculate the horsepower and work done by the fan that data was composed of below in this table? Time (s) Run #1 Velocity, Blue (m/s) Run #1 0.05 0 0.1 0 0.15 0 0.2 0 0.25 0 0.3 0 0.35 4.04E-04 0.4 4.04E-04 0.45 0 0.5 -4.04E-04 0.55 -4.04E-04 0.6 0 0.65 0 0.7 4.04E-04 0.75 8.08E-04 0.8 4.04E-04 0.85 -4.04E-04 0.9 -8.08E-04 0.95 0 1 8.08E-04 1.05 4.04E-04 1.1 0 1.15 -4.04E-04 1.2 0 1.25 4.04E-04 1.3 0 1.35 0 1.4 -4.04E-04 1.45 0 1.5 4.04E-04 1.55 0 1.6 0 1.65 -4.04E-04 1.7 0 1.75 4.04E-04 1.8 0 1.85 0 1.9 -4.04E-04 1.95 0 2 4.04E-04 2.05 4.04E-04 2.1 4.04E-04 2.15 0 2.2 0 2.25 0 2.3 0 2.35 0 2.4 0 2.45 0 2.5 4.04E-04 2.55 8.08E-04 2.6 8.08E-04 2.65 8.08E-04 2.7 8.08E-04 2.75 8.08E-04 2.8 4.04E-04 2.85 0 2.9 0 2.95 0 3 0 3.05 0 3.1 0 3.15 0 3.2 0 3.25 0 3.3 0 3.35 0…
docs.google.com a If a car changes speed from 20 m/s to 22 m/s in 10 seconds, its average acceleration is * 20 m/s2 2 m/s2 0.2 m/s2 22 m/s2 21 m/s2 Which of the following is considered to be an "accelerator" in an automobile? * All of them. gas pedal steering wheel brake pedal non of them On acceleration-time graph, a horizontal ... 10 O O O O O
This is a graph that plots the velocity of an object against time. (a) What is the average acceleration over the period 2 to 5 seconds? (b) What is the average velocity from 0 to 6 seconds? (c) What is the average velocity from 0 to 6 seconds? 4 0 -2 (m/s) 12 3 4 551 시간(s)
Here is a graph that shows a resulting position vs time graph of the astronaut when attached to a spring with a spring constant of k = 240 N/m. What is her speed when the spring is 0.5 meters away from its most "squished" position?f Position (meters) 6 5 3 cu 1 0 0 Astronaut Mass Determination Data 1 2 3 4 Time (sec) 5 6 7 8
Velocity (m/s) 50 40 30 20 10 Time 4 6 8 10 12 14 (s) The diagram above shows the journey of a train plotted as a velocity-time graph. Find: a) The acceleration on the first part of the journey b) The total distance covered in the first 10 seconds c) The amount of time that the train is travelling at constant velocity
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The traffic volume data table below counts was taken on rural a highway during the morning peak hour at (8:00-9:00 am) on Monday of a week. Time periods (minute) 8:00-8:15 AM 8:30-9:00 AM Number of vehicles 385 790 The average time headway (sec) during 8:00-9:00 am 2.25 a) Find the traffic volume for the period from 8:15 to 8:30 am. b) Determine the hourly volume (HV), the maximum rate of flow within the hour, and the peak hour factor (PHF). c) Estimate the density and speed of traffic if an average spacing of 150 ft. d) Estimate the daily volume for Monday if the hourly expansion factor (HEF) is 22.05.