Answer:

Explanation:
Height of man= 6ft
Height of light=1 5ft
Let BC=x and CD=y
BD=x+y
Triangle ABD and ECD are similar
When two triangles are similar then the ratio of their corresponding sides are equal






Differentiate w.r.t t

We have 
Substitute the value then we get


Rate at which the tip of shadow is moving=
Rate at which the tip of shadow is moving=
Rate at which the tip of shadow is moving=
True. Thought experiments are what he called them, it’s like meditation
Answer:
Explanation:
In the four hours before 13:00 the train traveled 4(80) = 320 km.
It needs to travel another 4(320) = 1280 km in the next 21:00 - 13:00 = 8 hrs.
1280 / 8 = 160 km/hr
Laws that implemented the consumers' right to be informed forbid misleading advertising.
Answer is C.
D. lost an electron
because they have free electron in the outermost shell which they will like to denote, in order to attain stable configuration