A block oscillates without friction on the end of a spring as shown above. The m

Question

A block oscillates without friction on the end of a spring as shown above. The minimum and maximum lengths of the spring as it oscillates are, respectively. x_min and x_max. The graphs below can represent associated with the oscillation as functions of the length x of the spring. Which graph can represent the mechanical energy of the block-spring system as a function of x? When the frictionless system s shown above is accelerated by an applied force of magnitude K the tension in the string between the blocks is Sound in air can best be described which of the following types of waves?

Explanation / Answer

7) correct optio is (e)

Spring force is conservative force. so the total mechanical energy is conseved.

8) Correct option is (b)

It is friction less surface so tension between strin is equal to appled force

9) correct option is (c)

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