Nt1310 Unit 4 Lab Report

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Pre-Lab Answers
Given the following set of data:
Table 1
Distance(cm) Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7
Student 1 0.9 1.0 1.8 2.0 2.5 2.3 3.2
Student 2 1.8 0.8 0.7 0.1 0.9 1.12 1.15
Student 3 1.0 2.2 1.4 2.4 3.0 2.4 2.0

Calculations for average distance and standard deviation using the statistic mode calculator: Average distance for student 1=1.96cm Standard deviation for student 1 = 0.82cm Average distance for student 2 = 0.85cm Standard deviation for student 2 = 0.38cm Average distance for student 3 = 2.06 Standard deviation for student 3 = 0.67
Solutions to Questions
Question 1:
The data was precise since no standard/ known value was compared to the experimental …show more content…
The significant figures obtained when the caliper was read
Four (4) significant figures To determine the volume of the cube in m3
Volume = length3 = (3.238 × 3.238 × 3.238)/1000000 = 3.395 × 10-5 m3 (4 significant figures) To determine the density of the cube in kg/m3 and the number of significant figures
Density = mass/volume
Mass = 91.66g = 0.09166kg
Density = 0.09166kg/ (3.395×10-5 m3) = 2699.9kg/m3 (5 significant figures) To determine the mass (in grams) for a cube made of copper (copper density=8990 kg/m3) if the length of the cube is 1 inch
Mass = density × volume
1 inch = 2.54cm
Volume = 2.543 =16.39cm3
Density=8990kg/m3= (8990 /1000) g/cm3=8.99 g/cm3
Mass = 8.99 g/cm3 × 16.39cm3 = 147.3 grams (4 significant figures) Prelab 2 Questions
Given a skier which is initially at point A at 200 m (tA=0.0 minute), then skier moves to the right at point B at 350m in 1 minute (tB=1.0 minute), then turns and moves 100 m to the left at point C after another minute (tC=2.0 minute) and finally after another minute is moving right 50 m at point D (tD=3 minute)

Drawing of the diagram showing the skier movement

To Answer the following questions: The skier’s distance from A to D Distance A to
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