One cubic centimeter (1.0 cm3) of water has a mass of 1.0 ✕ 10−3 kg. (a) Determine the mass of 1 m3 of water.  kg? (b) Assuming biological substances are 100% water, estimate the mass of a (spherical) cell with a diameter of 1.0 µm.  kg? (c) Assuming biological substances are 100% water, estimate the mass of a human kidney. Take a kidney to be roughly a sphere with a radius of 4 cm.

Q: A student measures the dimensions of a rectangular slab of marble to be 112.64 cm by 3.21 cm by 0.02…

A:

Q: A 1938 nickel has a diameter of 21.21 mm, a thickness of 1.95 mm, and weighs 0.04905 N. What is its…

A: We know, density=MassVolume

Q: A cylinder has radius r = 2.00 cm with error 0.01cm and length I = 10.00 cm with error 0.02cm.The…

A: Given data:  Radius of the cylinder, r = 2 cm Error in radius, dr = 0.01 cm Length of the cylinder,…

Q: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,…

A: 1m =10-3 km1 s = 13600h1 m =6.21×10-4 mi

Q: (a) Convert 85 km per hour to metres per second. (b) Convert 10 m per second to kilometres per…

A:

Q: The result of (20.20 + 0.010)(11.20 – 6.200) is in Newtons (N). If 20.20 is in meters (m), what are…

A: Given: unit of 20.20 is meter and unit of (20.20+0.010)*(11.20-6.200) is N

Q: How many significant figures are there in (a) 78.9 ± 0.2, (b)3.788 x 109, (c) 2.46 x1026, (d) 0.003…

A: a)Significant figures  are 7,8 and 9 .Reason: The decimal 78.9 is uncertain to one digit which is…

Q: Use scientific notation to express each of the following quantities with only the base units (no…

A: Unit conversion is the method br which same quantity is convert into different units like…

Q: A book is moved once around the perimeter of a tabletop with the dimensions 1.0 m × 2.0 m. If the…

A:

Q: The area of a small rectangle is 418 mm-. Express this area in the S.I. unit. O a. 0.000418 square…

A:

Q: Procedure 1. The following are the measurements of the waistline of a family member taken by 3…

A: Given:

Q: USING LENGTH MEASUREMENTS MADE WITH A CENTIMETER RULER U.S. MINT MEASURED USING…

A: The dimensions of Dime, Penny and Quarter are given as follows  : Dime : mass = 2.268 grams diameter…

Q: Which one of the following recorded measures is correct for ruler with 2 mm division ? 236 cm t 0.5…

A: When ruler of 2mm division is used for measurement , recorded readings are multiple of 2 or even…

Q: Determine the number of significant figures in the following measurements: a. 0.0009 b. 15,450.0 c.…

A: Rule: If the number is less than one, all the zeroes to the right of the decimal point but to the…

Q: Match the following 1. Precision a. the rightmost digit in a recorded data 2. Significant figure b.…

A: Precision :       Degree to which exactness is applied i e. If we take measurements number of times…

Q: The micrometer (1 um) is often called the micron. (a) How many microns make up 3.8 km? (b) How many…

A:

Q: The side of a square measures 4 m in length. What is the area of the square? O 16 x 10 -4 cm² O 16 x…

A: Side , a = 4 m To find = Area

Q: In a situation in which data are known to three significant digits, we write 6.379 m = 6.38 m and…

A: Logarithmic scale is used to find the order of magnitude.

Q: For the multiplication of 7.443m times 8.5m, the result should be reported with how many significant…

A:

Q: The density of a rectangular block of copper metal that weighs 1896 g is 17 g/ cm3 .The dimensions…

A:

Q: Express the following quantities in SI units: 23.4 grams = 2.34 x 10^-2 124 millimeters = 1 hour and…

A: The SI unit for mass is kilogram therefore the relation between gram and kilogram is given as, 1 kg…

Q: The mass of the cube is 12 grams. Calculate the density of the cube using the length measurement…

A: Given data: Mass of the cube, m=12 g Measurements of the cube:  l=1.05 mm=0.105 cmb=1.25 mm=0.125…

Q: Consider the equation 4000/400 = 10.0. Assuming the number of significant figures in the answer is…

A: To determine: Find the number of significant figures in 4000 and 400.   Given: number, 4000 can be…

Q: 1.38 What is the answer? Use a given-required-solution format. Provide a step by step solution.…

A:

Q: Do the following calculations to the correct number of significant figures: a.) 5.01 x 103/7.8 x…

A:

Q: Perform the following calculations and report your answer to the correct number of significant…

A: In addition and subtraction the basic rule to follow is that the answer may not have more…

Q: The micrometer (1 um) is often called the micron. (a) How many microns make up 3.8 km? (b) How many…

A:

Q: Copper can be drawn into thin wires. How many meters of 34- gauge wire (diameter=6.30x10-3 in) can…

A:

Q: Assume the following six statements are correct: Q = 4.19 m²/s R = 7.24 x 10-4 kg S = 1.23 kg m / s²…

A: Q = 4.19 m2sR = 7.24×10-4 kg S = 1.23 kg.ms2T = 2.88×10-3 kgmU = 12.3 kg2m2s3V = 1.01×10-6 sIt is…

Q: A can of tomatoes has a radius of 6 cm and a height of 10 cm. What is the approximate volume of the…

A:

Q: What is the answer from this calculation: 3.0 ft x 5.0 ft x 0.5 ft =? Consider both the number and…

A:

Q: State how many significant figures are proper in the results of the following calculations: (a)…

A: In the question, the number with least number of significant figures is 98.2 and 1.01 with three…

Q: How many significant figures are there in (a) 0.0210, (b) 5.060, (c) 7.10 * 10-4,(d) 1.0 * 105?

A: significant figures

Q: A piece has mass of 57.41 g and volume of 3.62 cm3. The density of the piece in kilogram per cubic…

A: Given Data : The mass of the piece is given as m = 57.41Kg. The volume of the piece is given as…

Q: If the distance dd (in meters) traveled by an object in time tt (in seconds) is given by the formula…

A: Given data:  Distance d in meters d = A + Bt2  Time (t) in seconds  Required: The SI units of A and…

Q: The quantity p = 3.14159c is a number with no dimensions, since it is a ratio of two lengths.…

A: Given:-                The quantity p = 3.14159 c is a number with no dimensions, since it is a…

Q: Perform the following calculations and report your answer to the correct number of significant…

A:

Q: Which one of the choices below represents the preferred practice regarding significant figures when…

A: Required :  Preferred practice regarding significant figures.

Q: A person walks 4 m to the park, then he walks 8200 km in the park then he returns back to home after…

A: Write the given values with suitable variables. d1=4 md2=8200 km=8200×103 md3=720 cm=7.2 m Here, d1…

Q: te the following and express the answer in the proper number of significant figures:…

A: Significant figures are used to establish the number which is presented in the form of digits. These…

Q: A rectangular box with mass 16.5 g is said to have dimensions of 2.8 cm x 1.7 cm * 0.4 cm .…

A: Given data:  A rectangular box  Mass (m) = 16.5 g Length (l) = 2.8 cm Width (W) = 1.7 cm Depth (d) =…

Q: A student solving for the acceleration of an object has applied appropriate physics principles and…

A: Given a1 = 3.00 m/s2 F = 12.0 N m = 7.00 kg

Q: In the equation, C, = pgy+0.5pC,), if y is distance, g is gravitational acceleration, p density and…

A: For the equation C1=ρgy+0.5ρC22 to be dimensionally correct, each term in the equation must have the…

Q: A student measures the thickness of a textbook with a meter stick and obtains a value of 3.8 cm ±0.1…

A: Option (b) agree with the value of the first student. i e  3.81 cm ±0.01 cm

Q: A typical oil molecule has an effective diameter of 0.25 nm. If 25 L (1 L is the same as 1000 cm3)…

A:

Q: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,…

A: The kilometer, hour, and a mile is 1 km=1000 m1 h = 3600 s1 mi = 1609.34 m