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An observation I had was that the dad's bike was a lot faster. Another thing is that the father's bike took much longer to stop. A third observation is that the dad's bike was a lot louder when stopping.

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One thing I noticed was that the father's bike took longer to stop than the child's. Another thing I noticed was that the father seemed taller and bigger than the child. Finally, I noticed that the bicycles made a noise when the brake was being used. / I think that knowing when something has more mass, it will make it harder for other objects or people to make it stop if it was moving. - Aime O

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3 things I observed is that the video is like the cyclist task we did with the sub, there was a kid and an adult in the video, and it took the adult more time to stop. The information that might be useful to a physicist is that more mass gains more energy total.

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One thing I noticed was that Paul's father stopped slower. I also noticed that Paul's stop was faster. My third observation was that Paul's father was bigger. Something that might be useful to a physicist is the size of the people and maybe how fast they were going. -Gigi

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One observation that I noticed was that the father had more mass, meaning he had more total energy.
Another observation I found was that the father went further than the son when they hit the brakes.
The final observation I found was that the father had more thermal energy in his wheels than his son did.

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an observation that the father took longer to stop because he is heavy. and the kids bike took shorter to stop since he is lighter.

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3 things I noticed was that for the adult the noise was a lot louder than the child's and also it took the adult longer to stop than the kid. Lastly I noticed that the adult went a little faster than the child.

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1.Paul was able to stop faster than his father
2.Paul's father took a few more seconds to stop
3.Paul's dad obviously has a bigger mass than his dad.

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Paul's dad bike took longer to come to a stop.
Paul's bike stopped quicker
Paul's dads bigger mass mad the bike stop slower.

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-I noticed that Paul had gone slower that his dad's.
-The dad's stop was louder that Paul's

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It took a little longer for pauls dad to stop because he was bigger and heavier.
-alondra

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Something that could be of use to a physicist would be the fact that slamming your brakes like they did would burn out their ties. Another thing that would be useful would be that the bikes took different times to stop - Eriq

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something i noticed was that is that they had a lot of kenetic energy 

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something i noticed was that is that they had a lot of kenetic energy 

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1) For pauls father is was harder to stop because he was heavier.
2) For paul it was not as hard to stop to bike from moving since hes smaller and weighs less.

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Pauls father took more time to stop, paul was slower, the father was faster.

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I noticed that the dads bike was faster than the kids bike. I also noticed that the dads bike couldn't stop in time.

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three things i noticed was that the dads bike was way faster, he took longer to stop, but the kid didnt take long

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The thermal image is useful to answering the question because it showed what happens when slowing something down with brake discs - Eriq

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Cyclist 2 weighs 40kg more than cyclist 1

After the first two stops cyclist twos brakes discs were hotter

Cyclist two took longer to stop
-Eriq

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The thermal image is useful to answer the question because it shows that when friction occurs due to the brakes being used, the brakes gain a lot of thermal energy.

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The most useful data from the data tables is that Cyclist 1 weighs 40kg, while Cyclist 2 weighs 80kg, and this shows that Cyclist 2's disc break gains more thermal energy from the disc break friction than Cyclist 1, since Cyclist 2 has more mass, and more mass results in more total energy, which is why Cyclist 2's disc break had more thermal energy than Cyclist 1's disc break.

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The thermal image is useful to answering the question because it gives you a sense of where most of the kinetic energy is being put into thermal energy, it also shows you how to tell if something has thermal energy because something that isn't moving at all and is just sitting there like the trees in the background have none.

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I think the amount of mass is the most useful data from the data tables. The reason this is is because the difference in mass is what causes most of the other data to change.

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The thermal image is useful to answering the question because it shows us that friction = heat. This combined with the table of data, it helps reveal that the more friction is more thermal energy.

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The most useful data from

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The most useful data to me is the mass and speed. These are the most useful because these help the most in answering the driving question.

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because it shows the colors of PE and KE and some TE.

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The thermal image is useful to answering the question because it shows you visually what happens when you put a brake on a bicycle. Sometimes, you cannot understand informational text so I feel that the picture helps you understand the information that is given to you in words. - Aime O.

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The most useful data from the data table is the weight of cyclist 1 and to (which is; cyclist 1, 40kg; cyclist 2, 80kg). The reason why is because the difference in the mass is the cause of the change in heat of the disc and the change in when the bicycle actually stops after the break is put in. It is also useful because it is the answer to our driving question. - Aime O.

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thermal image is useful because it gives you an idea of what happens to your brakes if you come to a sudden stop

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the changes in cyclist 1 and 2's mass changes the heat in the brake discs

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The thermal image is useful because it shows how different parts of the bike basically reacts to the stop

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The second cyclist weighs 40kg more than the first one so the brake disc is hotter and it takes longer to stop.

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the image is helpful because it shows what happens and how the bike reacted when the person on the bike stepped on the brake

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something useful form the data tables

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something that I saw was that when Paul's dad put on his breaks the bike went further to stop that paul did.

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the thermal image shows how the disk break was after the brake were on which was red which means is was hot.

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the most useful thing from the data table was how the temperature of the disk break changes so much