[" The tension in the spring is "],[qquad 5N larr00000000longrightarrow5N]

The tension is the spring is

The tension is the spring is

A 5.5 meter long string has a mass of 0.03.5 kg . If the tension in the string is 77 N, the speed of a wave on the string is :

The length of a wire l_(1) when tension is 4 N and l_(2) when the tension is 5 N. Then its original length would be