When we push a wall no work is done? In this case the wall does not displace from its position even though the force is applied and since displacement is zero work done is said to be zero. Is pushing against a wall work? Note that forces without motion do no work. For example, if […]
Why is public transport safer than cars?
Why is public transport safer than cars? Crash Risk Crash risk refers to property damages, injuries and deaths caused by vehicle crashes. Public transit has relative low crash rates per unit of travel, as indicated in Table 3 and Figure 1. Public transit passengers have far lower traffic casualty rates than automobile occupants. Should buses […]
What is steam reforming process?
What is steam reforming process? Steam reforming or steam methane reforming is a method for producing syngas (hydrogen and carbon monoxide) by reaction of hydrocarbons with water. Commonly natural gas is the feedstock. The main purpose of this technology is hydrogen production. The reaction is strongly endothermic (consumes heat, ΔHr = 206 kJ/mol). What is […]
How do you get activation energy?
What is the strongest bungee cord?
What is the strongest bungee cord? Here are the six best bungees, no matter how you choose to use them. Kotap Adjustable 24-Inch Bungee Cords, 10-pack. Cartman Bungee Cords 24-piece Assortment Jar. FORTEM Premium Quality Bungee Cord Hook Assortment. Strapright Bungee Cord with Carabiners. Super Smithee Heavy Duty Bungee Cords. How far will a 72 […]
Do not stand too close to moving?
What are the pros and cons of no-till farming?
What are the pros and cons of no-till farming? Here’s a short list of no-till pros and cons. Pro: Savings. Con: Special Equipment Costs. Pro: Water Conservation. Con: Fungal Disease. Pro: Less Herbicide Runoff. Con: More Herbicides. Pro: Higher Crop Yields. Con: You Need Patience. What are the disadvantages of no-till farming? Disadvantages With no-till […]
How fatigue crack is detected using edge current inspection?
How fatigue crack is detected using edge current inspection? Fatigue cracks tend to occur at bolt-jointed structures on an aircraft. In order to detect the damage quantitatively, a kind of change-prone micro eddy current sensor is designed and fabricated with flexible printed circuit board (FPCB) technology. Which wave is used in metal cracks detection? Ultrasonic […]
Can autopsy be performed without consent?
Can autopsy be performed without consent? Yes, an autopsy can be ordered by authorities without relatives’ consent in several situations. If an autopsy is not required by law or ordered by authorities, the deceased person’s next of kin must give permission for an autopsy to be performed. Can an autopsy be requested? Can anyone request […]
Who did John Smith marry?
Who did John Smith marry? Captain John Smith described Pocahontas as being 11 years old when she saved him. He was hurt in an accident 1 and 1/2 years later and had to leave to go home. Captain John Smith never married Pocahontas. Pocahontas married Master John Rolfe in 1614.. What did the real John […]