A plastic ruler and a metallic ruler are in the same room. The metallic ruler ‘feels’ colder when touched. What is the reason for this? A. Plastic has a lower specific heat capacity than metal. B. Plastic has a higher specific heat capacity than metal. C. Plastic is a better conductor of heat than metal D. Plastic is a worse conductor of heat than metal.

A fireplace warms a room by: A. conduction B. convection C. radiation D. conduction, convection and radiation

The specific energy of a fuel is the: A. energy that can be extracted from a unit volume of the fuel B. energy that can be extracted from a unit mass of the fuel C. energy contained in a unit volume of the fuel D. energy contained in a unit mass of the fuel.

A star explodes in the vacuum of space. The thermal energy transferred by the star takes place through: A. radiation B. conduction C. convection D. evaporation

Ask a classmate what he/she does with friends on the weekend by selecting two or three activities from the list below, then switch roles. When answering, indicate how often you do such activities using an adverb of frequency (or ne... jamais). 1. jouer aux cartes 2. jouer/écouter de la musique 3. manger chez MacDo 4. préparer un examen ensemble 5. regarder des films 6. danser en bo$\^i$te

Does heat break down lactose?

What is meant by the present value of money?

Suppose that a system is in an unsafe state. Show that it is possible for the processes to complete their execution without entering a deadlocked state.

How much money is 15% of $60?

An active teenage boy has a daily intake of 3000 kilocalorie. What is the maximum amount (weight) of total fats he should consume, according to the Daily Values?

Perform the operation and write the result in standard form. (-5i)(4i)

Use the effective yield function (EFFECT) in Excel to compute the $\mathrm{APY}$ (or effective yield) in the following accounts.

a. An account with quarterly compounding and an $\mathrm{APR}$ of $4 \%$

b. An account with monthly compounding and an $\mathrm{APR}$ of $4 \%$

c. An account with daily compounding and an $\mathrm{APR}$ of $4 \%$

d. Based on the results of parts (a), (b), and ( c ), estimate the $\mathrm{APY}$ for an account with continuous compounding (in which the number of compoundings becomes very large).

Suppose you have $28.00 in your bank account and start saving$18.25 every week. Your friend has $161.00 in his account and is withdrawing$15 every week. When will your account balances be the same?

The electric potential in a region increases linearly with distance. What can you conclude about the electric field in this region?