It acts in the upward direction.
Answer:
21
Explanation:
21 is x because 211211 1 1 1 1 1aghh
Answer:
distance = 112 miles
Explanation:
its 12 miles every 0.6 in a hour
Answer:

Explanation:
Given that,
Frequency of a radio antenna is 1 MHz
Power, P = 21 kW
We need to find the the waves intensity 25 km from the antenna
. The object emits intenisty evenly in all direction. It can be given by :

So, the wave intensity 25 km from the antenna is
.