14. The temperature of a child reads 74°C. What is the equivalent reading in Fahrenheit?
A 73.1 °F
B. 133.2°F
C. 165.2°F
D 190.8°F
12. How much heat is given out when a piece of
iron of mass 80g and specific heat capacity,
460J/kg °C cools from 100°C to 40°C?
A220800 )
B. 147200)
C. 3680J
D 2208 )
13. The process by which liquid molecules with
sufficient energy escape from the surface of
a liquid is known as:
A Evaporation
B. Condensation
C. Conduction
D. Convection
15. The transfer of heat through solids is called
what?
A Radiation
B Convection
Sublimation
D. Conduction
Part II: Essay. Direction: Answer all the question in this part
1. a.) State i. Newton's law of motion ii. The principle of conservation of energy
b.) A net force of 0.5n act on an object of mass 0.03 kg. Calculate the magnitude of its acceleration
2. a.) Briefly explain the three main effects of heat
b.) A force of 25N move an object a distance 50cm in 5 sec. calculate
i. The power used;
ii. The work done
3. a.) An object starts from rest and move with a velocity of 4m/s in one hour. Determine its acce
hy indicating the measuring instrument and the quantity/substance
Measuring Instrumen

answer with step-by-step explanation:

a. wx is perpendicular to xy - true:

(since x is adjacent to x and y and all angles are 90 degrees in a square, therefore wx is perpendicular to xy)

b. ∠w is congruent to ∠x - true:

(all angles in a square are equal to each other)

c. ∠w is supplementary to ∠x - true:

(∠w and ∠x both are right angles which add up to 180 degrees so they are supplementary angles)

d. wxyz is a rhombus - true:

(a rhombus has all sides equal in length and so has a square so it is a rhombus)

e. wxyz is a trapezoid - false:

(a trapezoid has only one pair of parallel sides while a square has two pairs of parallel sides)

f. wx is parallel to yz - true:

(wx and yz are parallel to each other)

answer; ///usually the ( irs ) selects returns that are the most likely have errors,based on complex criteria;

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