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Total questions: 10
Worksheet time: 3hrs 30mins
The conversion of 15 inch into cm is?
38.1 cm
3.81 cm
381 cm
0.38 cm
The expression V=at is dimensionly ?
correct
not correct
Probably correct
Unspecified
The sum of two vectors A = ( 2 i + 2 j) and B = ( 2 i - 4 j) lying in XY plane
( 2 i - 4 j)
( 4 i - 2 j)
( 2 i + 4 j)
(- 2 i - 4 j)
The scalar product of the two vectors A=( 3 i - 4 j) cm and B =( -2i + 3 j) cm is
18 cm
19 cm
-18 cm
-19 cm
Which of these examples belong to direct current?
home single phase
Car Battery
Determine the velocity of block 2 during the collision, at the instant block 1 is moving to the right with a velocity of 13.00 m/s
1.74 m/s
2.74 m/s
-1.74 m/s
-2.74 m/s
The mass density (also called just "density") of a substance is the ratio of its mass in kilograms to its volume in cubic meters. A piece of lead of mass 11.97 g has a volume of 1.05 cm³. Determine the density of lead in SI units.
11400 kg/m3
22500 kg/m3
25000 kg/m3
22500 kg
A cord is a volume of cut wood 8 ft long, 4 ft high, and 4 ft wide. Express this volume in cubic meters.
15.6 m3/kg
3.62 kg
5.62 m
3.62 m3
The SI unit for amount of substance is
Kelvin
mole
Kilogram
Candela
The reading of micrometer?
77.4 mm
7.74 mm
7.75 mm
0.775 mm
