Answer:
0.05 V/m
Explanation:
V = Potential difference that is possible for the dolphin to detect = 0.5 mV
d = Distance between electrodes = 1 cm
Electric field strength is given by



The corresponding electric field strength is 0.05 V/m
Yes that ya 56.4 because dropped bridge to hit the water
Those dots represent the valence electrons of the element. The only elements with 6 valence electrons are oxygen, sulfur, selenium, and..... so on. SO the answer to your question is B, tellurium(Te).
Answer:

45.03681 m/s²
Explanation:
= Buoyant force
W = Weight of the balloon
= Density of air = 1.23 kg/m³
= Density of balloon = 0.22 kg/m³
= Volume of air
= Volume of balloon


g = Acceleration due to gravity = 9.81 m/s²
The net force acting on the balloon is

The equation is 

The acceleration of the balloon is 45.03681 m/s²