Both a Mass-Spring System and a Simple Pendulum Have a Period

question 3

Multiple Choice

Both a mass-spring system and a simple pendulum have a period of 1.0 s. Both are taken to the moon in a lunar landing module. While they are inside the module on the surface of the moon,

• A) the pendulum has a period longer than 1.0 s.
• B) the mass-spring system has a period longer than 1.0 s.
• C) both pendulum and mass-spring system have periods longer than 1.0 s.
• D) the periods of both are unchanged.
• E) one of them has a period shorter than 1 s.

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Definitions:

Net Present Value

A calculation method used in finance to determine the value of a series of future cash flows in today's dollars, taking into account the time value of money.

Required Return

The minimum amount of profit an investor expects to achieve from an investment, considering its risk.

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time, used in capital budgeting to analyze the profitability of an investment or project.