How Can I Solve These Physics Homework Problems?

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Homework Help Overview

The discussion revolves around two physics problems related to kinematics and energy. The first problem involves calculating the distance a physics book travels horizontally while falling, and the second problem concerns determining the power delivered to a mass based on its change in kinetic energy.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • The original poster expresses difficulty in solving the problems after several days of effort and seeks hints or guidance. Participants inquire about the equations the poster has attempted to use, particularly for the first question.

Discussion Status

The discussion is ongoing, with participants encouraging the original poster to share their attempts to facilitate further assistance. There is no explicit consensus yet, as the original poster is still in the process of articulating their understanding.

Contextual Notes

The original poster acknowledges the homework-related nature of the questions and expresses a desire for guidance without complete solutions. There is a suggestion to post their work in the appropriate homework section, but participants advise against it, indicating that mentors will move the post.

IamatWork
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STUCK on a few Simple Problems...

I am stuck on a few of these problems. Yes they are HW related, but i have been working on them for over 4 days...I can not seem to get a handle on these few problems and help, Hints, Tips...If you want to give me the formula to use...I do not Expect people to do the work for me, i just need a nudge in the right direction. THANK YOU FOR ALL YOUR HELP...

1.) A physics book is given a horizontal velocity of 7.0 meter/sec out the window. The book falls for 4/sec before entering the window of a nearby dorm. Determine the distance between the two windows.
A.)27.1 B.)83.2 C.)34.1 D.)68.4

2.) The kinetic energy of a 12 kg mass was increased from 0 Joules to 196 Joules in a time of 3.2 sec. Determine the power delivered to the mass.
A.)26.1 Watts B.)16.3 Watts C.)43.7 watts D.)92.1 watts
 
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IamatWork said:
I am stuck on a few of these problems. Yes they are HW related, but i have been working on them for over 4 days...I can not seem to get a handle on these few problems and help, Hints, Tips...If you want to give me the formula to use...I do not Expect people to do the work for me, i just need a nudge in the right direction. THANK YOU FOR ALL YOUR HELP...

1.) A physics book is given a horizontal velocity of 7.0 meter/sec out the window. The book falls for 4/sec before entering the window of a nearby dorm. Determine the distance between the two windows.
A.)27.1 B.)83.2 C.)34.1 D.)68.4

2.) The kinetic energy of a 12 kg mass was increased from 0 Joules to 196 Joules in a time of 3.2 sec. Determine the power delivered to the mass.
A.)26.1 Watts B.)16.3 Watts C.)43.7 watts D.)92.1 watts

Take note that we DO have a homework section here on PF. Also, you should, at the very least, showed what you have attempted to do so that we know what YOU know and can start from there.

Zz.
 
Well, for starters, what equations have you tried to use during the last 4 days?
Take question 1 first.
 
Thank you...

I didnt even think to put my work on here. I am new here and didnt notice the HW section...I will re-post it in the HW section...thanks
 
Don't, the mentors will move it.
Just post what you've thought so far.
 

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