#20 100 FIGURE P2.18 02 Section 2.4 Acceleration t (s) 28, W 80 takec a. W...

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100 FIGURE P2.18 02 Section 2.4 Acceleration t (s) 28, W 80 takec a. W Figure P2.19 shows the velocity graph of a bicycle. Draw the bicycles acceleration graph for the interval 0s s1s4 s. Give both axes an appropriate numerical scale. 19. I b. H be 29.I A brake initia to the V (m/s) v, (m/s) 30. I Lig and b stant a con speec again 10 0 0 t (s)2 FIGURE P2.19 FIGURE P2.20 to rea 31. Il A 20. Il We set the origin of a coordinate system so that the positionstops of a train is x= 0 m at t =0 s. Figure P2.20 shows the trains velocity graph a. b. Find the acceleration of the train at t = 3.0 s. speed of he he Dray position and ac frain 32.I A enou 21. I For each motion diagram shown earlier in Figure P2.2, deter-large from mine the sign (positive or negative) of the acceleration 2 Fire P2.16 showed data for the speed of blood in the aorta. What tiona cans 80 Determine the magnitude of the acceleration for both phases, speeding up and slowing down

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Answer 1

Answer #1

This problem is solved by simple defination of position and velocity and acceleration. accoloration (a)= 2 2.

Now accaaton 2. 1 2 2.

B) The acceleration of particle at t=3s is 1m/s²

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Answer 2

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#20 100 FIGURE P2.18 02 Section 2.4 Acceleration t (s) 28, W 80 takec a. W...

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