a)The figure 11 below shows shadow formation using extended source of light. vo Extended source State th 7 vreen when:- i) Pect. (1mark) Object Screen Figure 11 ii) The diameter of the object is smaller than the diameter of the hole. (1mark) of the hiert is greater than the diameter of the hole. (1mark)​

What is the stall speed at sea level of an airplane that weights 10000 lbs., has a wing area of 300ft^2, and a maximum lift coefficient of 1.4? what is the stall speed if flaps that double cl,max are applied?

Explain what will happen if decomposers were apsent from a forest ecoysystem.

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)