Explanation:
Following are the steps taken
1. To turn off the wave in the wave pool press the emergency turn off button (E-stop).
2. Winding of river or shutting off flow of water in the slide.
3. Dispatch of riders at speed slide is stopped.
Answer:

Explanation:
The specific gravity is given by,

Now, in order to calculate the uncertainty (relative error) in G, we must first take log (base e) on both sides of the equation,

Differentiating the above equation,

The second term is zero because it is known that
and hence a constant.
Putting the appropriate values, we get,

Therefore, uncertainty in G = 
displacement of the plane is given as

time taken by the plane

now the velocity is given as



so the velocity of airplane is 399 mi/h towards South West
Answer: It's the third one.
Explanation:
Ground state, since electrons want to be in the lowest energy position as possible, which is closer to the nucleus of the atom.