How to Solve Projectile Motion Problems: Finding Distance to Target

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AI Thread Summary
To solve projectile motion problems, it is essential to apply the principles of physics, including initial velocity and time of flight. In the first question, the bullet's horizontal distance and the effects of gravity must be considered to determine where it strikes the target. The second question involves calculating the maximum height of a baseball and the height of a fence based on the time it takes to reach these points. Participants are reminded to show their work for better assistance, adhering to forum rules. Understanding these concepts is crucial for accurately solving projectile motion problems.
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Question 1: A rifle is aimed horizontally at the center of a large target 60 m away. The initial speed of the bullet is 240 m/s. What is the distance from the center of the target to the point where the bullet strikes the target?
 
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Question 2 A baseball is hit at ground level. The ball is observed to reach its maximum height above ground level 3.0 s after begin hit. And 2.5 s after reaching this maximum height, the ball is observed to barely clear a fence that is 320 ft from where it was hit. How high is the fence
 
Thread moved to Intro Physics homework forum. rasikan, you must show your own work on these problems before we can help you. That's an important rule here on the PF.
 

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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 .
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Thread 'Voltmeter readings for this circuit with switches'

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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