Your parents have agreed to lend you $40 000 to help with your college expenses. They do not expect you to repay the loan or any interest until you have finished school (five years) and worked for 10 years. At the end of 15 years, they will require a lump-sum payment of $80 000.

(a) What equivalent annual interest rate are your parents charging for the use of their money?
(b) If your parents cannot lend you money and you have to borrow $40 000 at 6.6 per-cent annual interest, what would the lump-sum payment be at the end of 15 years?


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A set of brake linings has become glazed because of oil saturation by a failed wheel seal. Technician A says that pressure washing the foundation brake components should be sufficient to remove the effects of the oil saturation. Technician B states that the best practice is to replace the brake linings on both wheels on the affected axle. Who is correct?

A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B

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What type of core is often found on high-voltage distribution transformers?

A. shell-type B. H-type C. tape-wound D. toroid

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A fully charged battery pack can operate all vehicle electronics and the air conditioning system.

Answer the following statement true (T) or false (F)

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Items in motion contain ____________________ energy.

Fill in the blank(s) with the appropriate word(s).

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