Answer:
20 ft
Explanation:
This is the length where the direct contact could be used as ground electrode
Your eyes are the most delicate thing on your body. Little things can make you go blind
Underground, carbon can be stored in ____, which humans ___.
-----------------------------
coal, oil, fossil fuels ... humans burn for energy
Answer:
250N
Explanation:
Given parameters:
Time = 4s
Momentum = 1000kgm/s
Unknown:
Force = ?
Solution:
To solve this problem, we use Newton's second law of motion;
Ft = Momentum
F is the force
t is the time
So;
F x 4 = 1000kgm/s
F = 250N