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A vibrating tuning fork is held over a water column with one end closed and the other open.As the water level is allowed to fall, a loud sound is heard for water levels separated by 17 cm.If the speed of sound in air is 340 m/s, the frequency of the tuning fork is:
Indexed Funds
Mutual funds or exchange-traded funds (ETFs) that aim to replicate the performance of a specific index by investing in the stocks or securities that compose that index.
Bid-ask Spread
The difference between the highest price that buyers are willing to pay for an asset (bid) and the lowest price that sellers are willing to accept (ask).
Broker Fee
Fees charged by a broker for the services they provide, such as executing trades or providing investment advice.
NAV
Net Asset Value; the per share market value of a fund's assets minus its liabilities.
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