Identifying Redundant Vectors from a 1x4 Matrix - Physics Forums
May 12, 2009 · im given four vectors as a 1x4 matrices: [1,4,2,8]^t = v1 [2,5,3,9]^t = v2 [11,14,12,18]^t = v3 [4,3,2,1]^t = v4 How can i know which if any of these vectors can be …
Why are two pieces of wood stronger when bound together?
Sep 22, 2020 · The answer learned in class is that the two 2*4s are able to distribute the load over both of them, but I don't think this is an actual answer because that's balanced by the fact …
What is the Load rating of Aluminum rectangle tubing?
May 30, 2012 · Greetings, I will describe the problem and my proposed solution which leads me to the load bearing question.. Problem: Pickup camper cabover floor is compromised where it …
Building a wood bed platform - how much will it support?
Sep 6, 2011 · 4 60" pieces of 1x4 4 12" pieces of 4x4 3 primer spray cans and 3 black spray cans 2 joist hangers 50 #12 3" screws 25 #6 1.5" screws I painted everything first with rattle cans, …
Mix steam with colder water, what is final temp? - Physics Forums
Apr 6, 2015 · Homework Statement 100 g of steam at 100C is mixed with 1 kg of water at 10C. What is the final temperature of the mixture? (in C) heat capacity of water: cw = 4.186 kJ kg-1 …
Solving Matrix Orthonormalization Problem with MATLAB
Aug 29, 2005 · Matrix calculates everything with matrices. When you have 2 vectors with dimensions 1x4 (e.g. X and Y) and you want to multiply them, you cannot do X*Y since that …
Are Z3 x Z5 and Z15 Isomorphic? - Physics Forums
Nov 19, 2006 · Show that Z3 X Z5 is isomorphic to Z15 (where Zn is like the intergers mod n) i m not sure if i m proving it right.. if i first right out Z3 x Z5...
Charging a Capacitor: Find Rate of Charge & Energy
Aug 9, 2015 · Homework Statement A 3.00 MΩ resistor and a 1.00 μF capacitor are connected in series with an ideal battery of emf E = 4.00 V. At 1.00 sec after the connection is made, what …
Parallel Axis Theorem- Composite Areas (STATICS)
Dec 4, 2016 · The Attempt at a Solution I got Cy to be 1.86 inches I then started to use the Ix expression: (1/12) (x) (y)^3+ (x) (y) (Cy)^2 I made sure to break it into squares and subtract …
What is the most accurate design for a small projectile launcher?
Jan 27, 2009 · For the arm on my small one we used a 1x4. We left the end holding the counterweight full width, but tapered it about 1.5 cm past the axle on the side with the …