Question 1 of 12 A bus travels 400m between two stops. It starts from rest and accelerates at 1.5 m/s2 until it reaches a speed of 9 m/s. The bus continues at this speed until it decelerates at 2 m/s2 until it comes to a halt. Find the total time required for the journey. Select the correct response: 6 s 39.2 s 50 s 20 s
Question 1 of 12 A bus travels 400m between two stops. It starts from rest and accelerates at 1.5 m/s2 until it reaches a speed of 9 m/s. The bus continues at this speed until it decelerates at 2 m/s2 until it comes to a halt. Find the total time required for the journey. Select the correct response: 6 s 39.2 s 50 s 20 s
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Transcribed Image Text:Question 1 of 12
A bus travels 400m between two stops. It starts from rest and accelerates at 1.5 m/s2 until it reaches a speed
of 9 m/s. The bus continues at
this speed until it decelerates at 2 m/s2 until it comes to a halt. Find the total time required for the journey.
Select the correct response:
6 s
39.2 s
50 s
20 s

Transcribed Image Text:Question 2 of 12
An active volcano ejects red-hot rocks and lava rather than smoke and ash. Suppose a large rock is ejected from the
volcano with a speed of 25.0 m/s at an angle of 35° above the horizontal. The rock strikes the side of the volcano at an
altitude 20 m lower than its starting point. Calculate the time it takes the rock to follow its path. Attach/Show your
solution.
Answer with text and/or attachments:
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