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...
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, primer and …
Mix steam with colder water, what is final temp? - Physics Forums
Apr 6, 2015 · The final temperature of a mixture of 100 g of steam at 100°C and 1 kg of water at 10°C is calculated using the principles of heat transfer and phase change. The process involves the …
Why are two pieces of wood stronger when bound together?
Sep 22, 2020 · The discussion centers on the structural strength of two 2x4s bound together compared to a single 4x4. Key points include that the two 2x4s can distribute loads more effectively due to the …
Basic Newton's Laws and Applied Force: 3 boxes - Physics Forums
Jul 16, 2015 · The discussion focuses on calculating the acceleration, net forces, and contact forces between three boxes on a frictionless surface, with masses m1 = 10 kg, m2 = 20 kg, and m3 = 30 kg, …