It is a renewable power source that when replanted can.

Jan 13, Thus velocity of top (V) = rω = 30 x = m/s. Assume the tree falls at g and model the center of mass as being 15m up the tree.

I am a Utility company in need of line clearance, asset management or vegetation management.

h = 15sin60 = 13m Assume mgh = 1/2 mV2 at impact. 13mg = 1/2 mV2 => 26g = V2 => V = 16m/s BUT that is the middle of the tree, at twice that distance, V = m/s. 1. Dec 13, Well, if we ignore air resistance as you suggested, the tree would exponentially accelerate as the force of gravity on the tree increases as the tree falls.

Therefore, the maximum velocity would be the instant before the tree hits the stumplopping.barted Reading Time: 7 mins. Sep 22, The winston salem nc tree stump grinding service owner asserted the Act of God defense, the common law equivalent to the Louisiana civil law doctrine of force majeure, declining liability for the tree removal because it was felled by an unforeseen force of nature, or other irresistible force.

The appellate court overruled the trial judge’s application of the Act of God defense and found that the defendant’s decision not to remove the tree. Mar 09, You can’t force someone to cut down a tree, but you can certainly bring it to your neighbor’s attention. If he doesn’t respond, consider sending a certificated letter.

This could help prove negligence if something does happen down the stumplopping.barted Reading Time: 6 mins. Jul 07, A falling tree is basically an inverted pendulum.

The period of a pendulum of length h for small oscillations is 2 π h / g, with g the acceleration due to gravity, about 10 m / s. For an inverted pendulum near the top of its arc, there is no period, but the quantity h / g does represent a characteristic time scale for this system.

The tree will take a few of these characteristic times to fall.

As such, you might offer to cover at least a portion of the deductible simply for the sake of good human will.

h for a tree is an. Average impact force = F = N. Note that the above calculation of impact force is accurate only if the height h includesthe stopping distance, since the process of penetration is further decreasing its gravitational potential energy. The average impact force calculated here is the average over distance, which can be presumed to be proportional to, but not the same as, the average over time.

Aug 14, Some experts say it’s triggered by high humidity within the tree’s canopy, which leads to a surplus of moisture that weakens the tree’s structure. Others think it stems from an internal tree issue, like bacterial wetwood. Even after decades of research, the cause is still up for debate.

Sep 01, If the same tree had a back lean of 4 feet, it would require 1 ¼ inches of lift (48 inches divided by 40 sections = inches) to overcome the lean.

When calculating the lift, be sure to add in the 3/8-inch saw kerf, which means that one inch of lift will require 1 3/8 inches of wedge. Sep 11, Especially when trees are fully leaved, wind on the upper part of the tree can cause the trunk to act like a level, applying force to the lower trunk and roots that can literally tear the tree from.