Answer:
x = 3.5 cm
Explanation:
When spring is used as a lift tool
so the mass suspended on it will have spring force on it
So as per the force equation of mass we can say

now net force on the mass is


here we have

now we have



' D ' is the only correct statement on the list.
Electromagnetic waves are capable of traveling through
many substances, and they're also capable of traveling
through vacuum. Mechanical waves can't travel in vacuum.
Answer:
Open Space or B
Explanation:
There is no resistance in space since space is a vacuum.