Question

Two slinky A and B of the same length are made up of two different materials. The time taken by 20 pulses to travel in both of them are 70s and 90s respectively. In which slinky, the pulse travels faster and why?

Answer 1

Since speed =distance /time

Speed is inversely proportional to time

Therefore speed in SLINKY A is more

Because time taken is less tha slinkyB

Answer 2

Answer:

Explanation:

In Slinky A pulse travels more faster.....