Answer:
0.675 m/s
Step-by-step explanation:
Let height of shadow= y,CD=x
Height of man=2 m
Speed of man= 

Therefore, 


Differentiate w.r.t t



When the man is 4 m from the building
Then, we have x=12-4=8 m

Substitute the values in above equation then, we get


Substitute the values then we get

Hence, the length of his shadow on the building decreasing at the rate 0.675 m/s.
Step-by-step explanation:
2.3141414...
= 2 + 3/10 + 14/990
= 2 + 311/990
= 2291 / 990
3000cm because if you look at the variables there is no more letter m's than anything so if you cancel out and see what is equal to 30 then you get 3000cm!!!!!
Answer:
gffghjjdfdgfgjgfdgj
Step-by-step explanation:
Answer:
a balloon ?
Step-by-step explanation: