please answer all the question poad as 26) The motion of a particle is descrsbed

Question

please answer all the question

poad as 26) The motion of a particle is descrsbed in the velocity vs. time graph shown in the figure Over the nine-second interval shown, we can say that the speed of the particle A) only increases D) decreases and then increnses C) increases and then decreases. B) only decreases E) remains constant. 27) If, in the figure, you start from the Bakery, travel to the Cafe, and then to the Art Gallery (a) what distance you have traveled? (b) what is your displacement? 2.50 km 4,00 k Gallery 28) An object moves 15.0 m north and then 11.0 m south. Find both the distance it has traveled magnitude of its displacement. A) 4.0 m, 26.0 m B) 26.0 m, 4.0m C) 26.0 m, 26.0 m D) 4.0 m, 4.0 m 29) What must be your average speed in order to travel 350 km in 5.15 h? D) 69.0 km1h B) 67.0 km/h C) 68.0 km/h A) 66.0 km/h Copyright© 2014 Pearson Education, Inc. ST 8IO//6 31 an

Explanation / Answer

26.

Graph clearing indicating that Velocity keeps on increasing.

Option (a) is correct

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27.

Distance 4+4*2.5= 10.5 km

Displacement= 2.5 km

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28.

Distance= 15+11= 26 m

Displacement= 15-11= 4 m

Option (c) is correct.

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29.

av speed= 350/5.15= 68 km/h

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Comment in case any doubt.. good luck

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