5
Calculate the length of the cable
SECTION B (MULTIPLE CHOICE)
INSTRUCTION: Each question is followed by four option A to D. Choose the corrects options for
each question.
Which of the following sets of the units is fundamentals (a) area, length, volume (b) impulse,
mass, time () length, time, mass (d) velocity, distance time
What is the angular velocity of an objects in a horizontal circular path of radius 1.5m with a
constant speed of 12ms? (a) 1.6 rads (b) 4.0 rads (c) 8.0 rads (d) 16.0 rads
An object of mass 50kg is released from the height of 2m. Find the kinetic energy just before
it strikes the ground (g = 10m/s²) (a) 205J (b) 1000] (c) 10,000] (d) 100,0001
The cubic expansivity of brass between 27°c and 100°c is 5. 9×10k. What is its linea
expasivity (a) 2.85 x 10k (b) 1.90 x 10 k 1 (c) 1.86 x 10k (d) 1.70x 10%
Which part of vacuum flask prevent heat loss by radiation (a) the cork (b) the vacuum (
silvered surface (d) the part of the bottom
The ice and the steam points of a certain thermometer are - 20°c and 100°c respective
Calculate the celcius temperature corresponding to 70°c in the thermometer (a) 84°c (b) 7
(c) 64°c (d) 58°c
The real and apparent cubic expansivity of the material of the container are 3.0×10k
1.8×106k respectively. Calculate the cubic expansivity of the material of the containe
6.00×10k (b): 1.20×10k (c) 1.67×10k (d) 1.80×10 k
-6₁-1
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