Answer:
0.091 sec
Explanation:
f = frequency of oscillation of the mass attached to the spring = 11 Hz
T = Time period of oscillation of the mass attached to the spring = ?
Time period and frequency of oscillation of the mass attached to the end of spring are related as
Inserting the values
T = 0.091 sec
It can travel 2,025 km.
Hope this helps.
Answer:
B
Explanation:
Reflect: (of a surface or body) throw back (heat, light, or sound) without absorbing it.
B) Irregular
Good luck on the rest :D