03
Figure 3 shows two boxes balanced on a beam.
Figure 3
K 15 cm *
B.
А
28 N
42 N
Calculate the distance, d, of box B from the centre of the beam.
Distance of Box B:
cm
when a device is used in a circuit in which the voltage is 81 v, the current flowing through the device is 3 a. what is the resistance of the device?
a. 27 ω
b. 40.5 a
c. 243 ω
d. 243 a
the correct answer is a. 27
Answer from: Quest
answer and explanation;
composition refers to both the types of minerals within a rock and the overall chemical makeup of the rock while texture refers to the size and arrangement of the minerals or grains that make up a rock. both composition and texture can be used to classify rocks, such as igneous rocks. texture describes how the rock became solid or crystallized from liquid, melted rock. composition of a rock describes the minerals that make up a particular rock.
Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47
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