1.) If you use a measuring tape to measure a stick's length five times (least count: 1 mm) and get the average length L as 123.57 cm and average deviation as 0.56 cm. What is the proper form for length L?     2.) The stick is a cylindrical stick with the base area A = (2.9 +- 0.1) cm^2. The volume of the stick is V=A x L. Please write the proper form for V?

Q: You have an 18-carat gold coin (an alloy of gold and copper). Its mass is 6 grams. Using the fact…

A: Given: Mass of gold coin =6 grams Density of pure gold =19300 kg /m3 Density of copper =8960 kg /m3

Q: An average family of four uses roughly 1200 L (about 300 gallons) of water per day ( 1 L = 1000…

A:

Q: A block of gold has length 5.62 cm, width 6.35 cm, and height 2.78 cm. a. Calculate the base area…

A: Given: The length of the block is 5.62 cm.           The width of the block is 6.35 cm.…

Q: A builder wants to install wall-to-wall carpeting in a living room of length 8.84 m and width 6.2 m.…

A:

Q: For what dimension of k is the equation s ut- kat dimensionally correct? Ans: T If P is pressure in…

A:

Q: Problem 6: The sides of a small rectangular box are measured to be 1.55 + 0.045 cm, 2.1 + 0.025cm,…

A:

Q: Grains of fine California beach sand are approximately spheres with an average radius of 50.0 μm and…

A: Formula for the surface area of a cube is:

Q: Estimate the number of breaths taken .during an average human lifetime Hint: Let we start by…

A: Number of breath in one minute= 10 breaths Average is given in first question= 70 years

Q: Two types of barrel units were in use in the 1920s in the United States. The apple barrel had a…

A: Solution: Given:  1 in3 = 0.0163871 liter   V1 = 1 apple-barrel = 7056 in3 V2 = 1 cranberry-barrel =…

Q: A model for the surface area of some solid object is given by S = 0.141w0.797 0.466, where w is the…

A:

Q: builder wants to install wall-to-wall carpeting in a living room of length 8.81 m and width 6.3 m.…

A: Given: Length of the room,  L=8.81 m Breadth of the room, b=6.3 m

Q: a) A pyramid has a height of 484 ft and its base covers an area of 11.0 acres (see figure below).…

A:

Q: You want to calculate the area of your dorm room which is in a rectangular shape. You measure the…

A: Measurement is the process of determining a number that represents the quantity of something. The…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: The depth of the ocean is sometimes measured in fathoms (1 fathom = 6 feet). Distance on the surface…

A: The depth of the ocean is sometimes measured in fathoms (1 fathom 6 feet). Distance on the surface…

Q: Density of water is 1000kg/m³. What is its density in units of g/cm³? 3 A cylinder has length of…

A:

Q: B) The force acting on an object is a function of time: F(t)= a t²+b/t, where tis time measured in…

A: Solution:   As per the given data,

Q: The radius of an atom of gold (Au) is about 1.35 Å. How many gold atoms would have to be lined up to…

A:

Q: In the diagram below there is a thick-walled cylindrical tube. Its height is H 5.0 m, its inner…

A: a)

Q: The density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occupied per…

A:

Q: The volume of the rectangular block in the figure is calculated from the following measurements of…

A: Given: da = 0.10 cm a = 10 cm db = 0.06 cm b = 5 cm dc = 0.04 cm c = 4 cm   We have the volume of…

Q: Problem 2: The lawn outside your neighbor's house has an approximate area of 145 m2. Part (a) One…

A: We have to calculate the volume of snow on the lawn.

Q: b) In an equation (P+) (V - b) = RT, where P is the pressure, V is the volume, T is the of?…

A: b) In equation, where P is the pressure, V is the volume, T is the temperature and a, b, R are…

Q: density of platinum is 21.45 x 103 kg/m3. a. Calculate the volume (in m3/atom) occ

A: density= mass/volume

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.