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Homework Help!
#27
I'm not sure that problem makes sense. First, is the object starting from rest or does it have an initial velocity? Are we assuming it's traveling horizontally across a friction-less surface or is some other kind of motion involved? Is this object not on Earth because a normal force of 65.5 N would mean that the object weighs roughly 6.7 kg under Earth's gravity. And if we're assuming that the 5.63 m/s^2 is actually acceleration due to gravity, it still gives an 11.6 kg object.

All that being said, the formula you're likely going to be using is x = (1/2)at^2, so, plugging in, you get (1/2)(5.63)(5)^2 = 2.815*25 = 70.4 m, assuming that the object starts from rest. If you are not starting from rest, the formula becomes vt+(1/2)at^2 where v = initial velocity, a is still 5.63 m/s^2, and t is 5 seconds meaning your answer would be 5v + 70.4 m. Normal force and mass are irrelevant in this case, given that there is no friction.
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Messages In This Thread
Homework Help! - by Ghost Nappa - 08-19-2013, 07:11 PM
RE: Homework Help! - by gamemaster1991 - 08-19-2013, 07:33 PM
RE: Homework Help! - by Psychospacecow - 08-19-2013, 11:10 PM
RE: Homework Help! - by MexicanAnime - 08-19-2013, 11:13 PM
RE: Homework Help! - by gamemaster1991 - 08-20-2013, 01:45 AM
RE: Homework Help! - by Ghost Nappa - 08-20-2013, 09:24 PM
RE: Homework Help! - by Psychospacecow - 08-20-2013, 09:44 PM
RE: Homework Help! - by Ghost Nappa - 08-21-2013, 09:01 PM
RE: Homework Help! - by Psychospacecow - 08-21-2013, 09:22 PM
RE: Homework Help! - by Ghost Nappa - 08-24-2013, 03:10 PM
RE: Homework Help! - by Psychospacecow - 08-24-2013, 03:56 PM
RE: Homework Help! - by Ghost Nappa - 08-24-2013, 09:18 PM
RE: Homework Help! - by gamemaster1991 - 08-24-2013, 09:43 PM
RE: Homework Help! - by Psychospacecow - 08-31-2013, 04:11 PM
RE: Homework Help! - by Petie - 08-31-2013, 05:32 PM
RE: Homework Help! - by Psychospacecow - 08-31-2013, 10:03 PM
RE: Homework Help! - by Ghost Nappa - 09-02-2013, 09:46 PM
RE: Homework Help! - by Psychospacecow - 09-02-2013, 10:11 PM
RE: Homework Help! - by Ghost Nappa - 09-03-2013, 09:09 PM
RE: Homework Help! - by Petie - 09-03-2013, 09:12 PM
RE: Homework Help! - by gamemaster1991 - 10-08-2013, 12:55 PM
RE: Homework Help! - by Combat Lobster - 10-08-2013, 01:54 PM
RE: Homework Help! - by Lazlo Falconi - 10-09-2013, 12:05 PM
RE: Homework Help! - by Ghost Nappa - 10-10-2013, 07:04 PM
RE: Homework Help! - by Psychospacecow - 10-10-2013, 07:21 PM
RE: Homework Help! - by Psychospacecow - 10-28-2013, 07:21 PM
RE: Homework Help! - by Petie - 10-28-2013, 07:33 PM
RE: Homework Help! - by Psychospacecow - 10-28-2013, 07:50 PM
RE: Homework Help! - by Petie - 10-28-2013, 07:54 PM
RE: Homework Help! - by Psychospacecow - 10-28-2013, 07:58 PM
RE: Homework Help! - by Petie - 10-28-2013, 08:05 PM
RE: Homework Help! - by Psychospacecow - 10-28-2013, 08:08 PM
RE: Homework Help! - by Ghost Nappa - 12-09-2013, 07:41 PM
RE: Homework Help! - by Psychospacecow - 12-10-2013, 08:45 PM
RE: Homework Help! - by Arjahn - 12-16-2013, 09:43 PM
RE: Homework Help! - by Psychospacecow - 12-17-2013, 07:55 AM
RE: Homework Help! - by Psychospacecow - 03-21-2014, 12:19 AM
RE: Homework Help! - by Psychospacecow - 05-10-2014, 05:28 PM
RE: Homework Help! - by SERIOUSLY THOUGH - 05-10-2014, 07:46 PM
RE: Homework Help! - by Psychospacecow - 05-10-2014, 08:12 PM
RE: Homework Help! - by SERIOUSLY THOUGH - 05-11-2014, 06:24 PM
RE: Homework Help! - by Psychospacecow - 05-11-2014, 06:47 PM
RE: Homework Help! - by Psychospacecow - 05-26-2014, 08:18 PM
RE: Homework Help! - by CosmykTheDolfyn - 05-26-2014, 09:15 PM
RE: Homework Help! - by Psychospacecow - 05-26-2014, 10:13 PM

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