Guys i really nid help on our investigatory projects

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High school students are seeking assistance with investigatory project ideas that are simple, inexpensive, and easy to execute. They request suggestions for topics and useful websites to aid their research. A helpful link to Science Buddies is shared, which provides project ideas. One participant expresses gratitude for finding a suitable project. The discussion emphasizes the need for accessible resources for students undertaking investigatory projects.
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guys i really nid help on our investigatory projects...

can any of u guys help me...by giving topics...or sites for a simple..inexpensive...good...easy to mke... investigatory project for a high school student like me...pls i really nid ur help...

^^V...thx
 
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http://www.sciencebuddies.org/mentoring/project_ideas/home_Phys.shtml
 
^^ thanks ...hehe...i found one that i can use ^^...really thanks a lot...tke cre then ^^ andre
 
Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
Thread 'Voltmeter readings for this circuit with switches'
TL;DR Summary: I would like to know the voltmeter readings on the two resistors separately in the picture in the following cases , When one of the keys is closed When both of them are opened (Knowing that the battery has negligible internal resistance) My thoughts for the first case , one of them must be 12 volt while the other is 0 The second case we'll I think both voltmeter readings should be 12 volt since they are both parallel to the battery and they involve the key within what the...

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