Homework 01

Homework 1 Answer the following questions: 1) Complete the following table by putting a tick () under all the suitable selections: Physical Scalar Vector Base Derivative quantities Mass   Force   Speed   Length   Velocity   Displacemen   t Density   Acceleration   Temperature   Time   2)

3)

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What is the conversion factor between the following? In and cm In = 2.54 cm mi and Km mi = 1.609 Km yd and Ft yd = 3 Ft Kg = 1000 g Kg and g h = 3600 S h and S Determine the conversion factor between the following: mi/h = 0.622 Km/h and mi/h Km/h =

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m/S and Ft/S

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m/S = g/cm3 and Kg/m3 g/cm3 =

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mi/h Ft/S = 3.281 Kg/m3 = 1000

m/S = yd/S =Kg/m 1.093 m/S and yd/S 2 2 cm and m yd/S 2 cm2quantities = m = 10-4of (SI) unit: 4) Write the following in terms 0.5 × 2103 = 500 ∗ 0.5 Km m m-6 = 0.0002 200 × 10 ∗ 200 mg Kg ∗ 11 g/cm3 Kg/m 11000 = ∗ 109 mm3 109× ×60 (10 )3 = 1 =3-31800 ∗ 30 minutes 30 3 mmiles) S 5) How many meters (10 exceed more than (11 Km)? 3 10 mi = 10 × 1.609 × 10 = 16090 m ∆ D = 16090 – 11000 = 5090 m 6) Express the following sum with the correct number of significant figures: a) 2.00 m + 142.5 cm + 7.24 × 105 µm 2 m + 143 × 10-2 m + 7.24 × 105 × 10-6 m = 4.154 m b) 5.25 Kg + 500 g + 8.5 × 106 µg 5.25 Kg + 500 × 10-3 Kg + 8.5 × 106 × 10-6 m = 14.25 Kg ∗ ∗