Well you need to first list the given, the formula, the solution and then you will be able to get the answer.
Activity in Science Problem Solving
At a classroom, Sophie met Rachel and asked her if she was okay. "Hi Rachel are you okay now?" Sophie asked her classmate. "Yes I am okay now thanks for confirming" Rachel responded. Apparently Rachel wasn't able to go to school yesterday because she was sick.
Now pick the formula.
The given has an initial velocity of 0, since the student just started running, a time of 16 seconds, a final velocity of 20 m/s and we should find the acceleration.
"Can you teach me how to solve some of these problems?"Rachel asked. "Sure I can help you" Sophie answered. Rachel asked a favor to Sophie if she can teach her about how to solve a problem that is connected to the topic of projectile motion. Sophie was a bit confused since she wasn't able to attend when the teacher was discussing.
"A student, started to run on a field with a constant acceleration. The velocity of the student is now 20 m/s after 16 seconds of running. What is the acceleration of the student? Rachel mentioned the problem. "Well you need to first list the given, the formula, the solution and then you will be able to get the answer." Sophie explained.
That's great to hear, just ask me if you have any other questions.
Thank you so much Sophie, now that I know how to solve the problem I think I can try to solve more.
"The given has an initial velocity of 0, since the student just started running, a time of 16 seconds, a final velocity of 20 m/s and we should find the acceleration" Sophie said. "Right, then now you should pick the formula that can be used for the problem. Since we need acceleration, the formula in the horizontal motion can't be used because there is no acceleration. In the formulas of vertical motion, you can change first the subscript to x then choose. The first formula is not appropriate since it has a one half or like half parabola and it is not the motion of the student. The third formula is also not appropriate since it has a 2 which looks like a porabola and it is also not the motion in the problem. The second can be used since it is derived from the formula of an acceleration" Rachel said.
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"The given is an initial velocity of 0, since the student just started running, a time of 16 seconds, a final velocity of 20 m/s and we should find the acceleration" Sophie said. "Right, then now you should pick tue formula that can be used for the problem. Since we need acceleration, the formula in the horizontal motion can't be used because there is no acceleration. In the formulas of vertical motion, you can change first the subscript to x then choose, the first formula is not appropriate since it has a one half or like half parabola l and it is not the motion of the student. The third formula is also not appropriate since it has a 2 which looks like a porabola and it is also not the motion in the problem. The second can be used since it is derived from the formula of an acceleration" Rachel said.
Activity in Science Problem Solving
PROJECTILE MOTION ACTIVITY
"Well then the second formula of Vx=Vix + at. Transpose the Vix then divide both side the time to solve for the acceleration. The new formula will be a= Vx-Vix/t then subtitute so a=20m/s-0/16 s, so the answer and the acceleration will be 1.25 m/s²" Rachel said. "Well done Rachel, now you have just solved the problem" Sophie said.
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Activity in Science Problem Solving
"Thank you so much Sophie, now that I know how to solve the problem I think I can try to solve more" Rachel said. "That's great to hear, just ask me if you have any other questions" Rachel responded. Then Rachel continued to solve the other problems and Sophie was happy knowing that she was able to help.
Storyboard by: Losiel J. Arguelles                          Grade 9- St. Augustine of HIppo
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