Question

A train moves in a straight line with an initial velocity of 0.50 m/s. It accelerates at 2.0 m/s2 for 2.0 seconds, coasts with zero acceleration for 3.0 seconds, and then accelerates at -1.5 m/s2 for 1.0 second. (a) what is the final velocity of the train? (b) what is the average acceleration of the train? (c) draw a graph of velocity vs. time with time on the horizontal axis.

Name: a train moves in a straight line with an initial velocity of 050 ms it accelerates at 20 ms2 for 20 seconds coasts with zero acceleration for 30 seconds and then accelerates at 15 ms2 for 10 15576
Uploaded: 2022-10-19T05:19:43-08:00
Duration: 4 min 33 s
Channel: Prabhu Ramji
Description: a train moves in a straight line with an initial velocity of 050 ms it accelerates at 20 ms2 for 20 seconds coasts with zero acceleration for 30 seconds and then accelerates at 15 ms2 for 10 15576

          A train moves in a straight line with an initial velocity of
0.50 m/s. It accelerates at 2.0 m/s2 for 2.0
seconds, coasts with zero acceleration for 3.0 seconds, and then
accelerates at -1.5 m/s2 for 1.0 second. (a) what
is the final velocity of the train? (b) what is the average
acceleration of the train? (c) draw a graph of velocity vs. time
with time on the horizontal axis.

Added by Jose Ignacio L.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

10/19/2022

Step 1

- Initial velocity (\(v_0\)) = 0.50 m/s - Acceleration (\(a_1\)) = 2.0 m/s\(^2\) - Time (\(t_1\)) = 2.0 seconds Using the formula \(v = v_0 + a \cdot t\): \[ v_1 = 0.50 \, \text{m/s} + (2.0 \, \text{m/s}^2 \cdot 2.0 \, \text{s}) \] \[ v_1 = 0.50 \, \text{m/s} + Show more…

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A train moves in a straight line with an initial velocity of 0.50 m/s. It accelerates at 2.0 m/s2 for 2.0 seconds, coasts with zero acceleration for 3.0 seconds, and then accelerates at -1.5 m/s2 for 1.0 second. (a) what is the final velocity of the train? (b) what is the average acceleration of the train? (c) draw a graph of velocity vs. time with time on the horizontal axis.