Answer:
letter C. velocity hope this helps
It does produce 'sound' ... a compression wave traveling through the air. But your ears don't hear a sound that's vibrating less than 20 or 30 times every second. If you could swing your pendulum that fast, you could hear the sound of its vibrations pushing the air around.
As the length increases, resistance increases, as a result current decreases.
Answer:
if this is on odyssey ware then i can edit my answer to help you
Explanation: