An iron anchor of density 7860.00 kg/m³ appears 231 N lighter in water than in air. (a) What is the volume of the anchor? (b) How much does it weigh in air? (a) Number Units (b) Number Units

Q: James was assigned by his teacher to measure the distance from their classroom to the school…

A: Given: Different measurements of distance made by James the from their classroom to the school…

Q: An English ruler is 12 inches long. The length of an English ruler measured in metric units is 30.48…

A: Length of English ruler = 12 inches Length of ruler in metric units = 30.48 cm

Q: Significant figures are determined by the number of digits in a measurement that are reliably known.…

A: Significant figures

Q: What is the number of nautical miles between place A (35 N, 75 W) and place B (70 S, 75 W)_____ n mi

A: The latitudes and longitudes can be drawn as below (not to scale),

Q: True or False: A liter is slightly larger than a quart.___________

A: A liter and a quart are the units of the volume.

Q: A computer can perform 4.66 x 10³ calculations per second. How many calculations can this computer…

A: Number of calculations that is performed by a computer in 1 second, N=4.66×108 Total number of…

Q: According to the Aluminum Association, every year over 100 billion aluminum cans are produced, and…

A: Let the mass of 10 aluminium cans  be :101,102,99,100,102,101,105,100,101,100 (in grams) Average…

Q: System

A: The SI unit is the international system of units that is used almost everywhere in the world. The SI…

Q: How long would it take a car traveling 4.2 m/s to go a distance of 28.4 meters?  Round your answer…

A: Given data-         speed of car ( u ) = 4.2 m/s        distance travelled ( d ) = 28.4 m…

Q: The speed limit on many highways in the United States is 55 mi/ hr. What number would be posted in…

A: Given data:  Speed limit (v) = 55 mi/hr Required: Speed limit in km/hr

Q: One micrometer means  1/ 10 _6 of a meter 1/103  of a meter 1/10+ 6 of a meter No answer text…

A: Required: 1 micrometer in terms of meter

Q: Calculate percent amount to three-figure accuracy. (Use one decimal place for the percent value.)…

A:

Q: By what factor would a numerical quantity change if measured in millimeters rather than kilometers?

A: According to question we need to find--- By what factor would a numerical quantity change if…

Q: Define the following term: SI units

A: The SI unit is also called an international system of units and they are used universally as a…

Q: Consider the relative sizes of the items listed in the table. In the column titled "measurement,"…

A: Given : A list of items. Asked to complete the table.

Q: what is the correct answer in km/s

A:

Q: * ?What is the final reading of micrometer shown in figure below 10 Made in D0

A: The above instrument is a screw gauge.  Pitch of the screw gauge =Distance moved by a screwNo.of…

Q: What is the correct way of writing si unit

A: It should be written in

Q: How far does a car going 18 m/s travel in 18.7 min. Give answer in meters. Calculate answer to one…

A: Calculate the distance travelled by car. d=v×t Here, d represents distance, v represents speed, and…

Q: The number of seconds in 1 week when expressed in scientific notation rounded to the nearest tenths

A: We know that, 1 week = 7 days And 1 day = 86400 seconds

Q: The mass of a feather is 8.2 x 10-3 grams. Write the mass in decimal notation

A: Given  mass=8.2×10-3 gram

Q: Four and three-quarters miles are equal to 7,643 m. Express this distance in kilometers and in…

A:

Q: Which of these is the fundamental unit of mass, m?     pound, lb     slug, sl     stone, st…

A: Solution

Q: The table shows the set of five measurements recorded in a laboratory. The precision of 2nd…

A: The formula for finding the mean of the given measurement is given by, Here, Σx and n represents…

Q: what formula is this "E= 33000×20×50 = 33000000 ft- lb. (1)"

A: This statement is nothing but the unit conversion of energy.

Q: Write down how many significant figures in the following numbers: 1. 78.05 2. 2008 3. 58.00 4.…

A: Given data:  Different numbers are given 78.05,     2008,    58.00,   784000 Required: Number of…

Q: following

A: For physical measurements, scientists all over the world have adopted the international system of…

Q: Can length be measured in inches with a micrometer?

A:

Q: How many significant figures has the number 1086.035.

A: Question: How many significant figures has the number 1086.035

Q: Can you explain why we need to multiply the 3000 by pi/180

A:

Q: N N = ? 3 -1.4 x 10 cm mm z||

A:

Q: what is the reading in the micrometer ?

A: Least count of micrometer : Least count of micrometer=smallest reading of main scaleTotal number of…

Q: How far does a car going 17m/s travel in 15.7 min. Give answer in meters.  Calculate answer to one…

A: Let s denote the total distance travelled by the car. Let v denote its constant speed, and let t…

Q: The average American drinks 54.2 gallons of soft drinks each year. Since there are about 290 in…

A:

Q: 10. During an autopsy, the stomach was removed and the stomach and its contents weighed 1,250 grams.…

A: Weight of stomach was measured to be = 1250 grams

Q: How far does a car going 24 m/s travel in 15.6 min. Give answer in meters. Calculate answer to one…

A:

Q: How many minutes are in a week?

A: 1 week = 7 days or 1 week = 7 x 24 hours or 1 week = 7 x 24 x 60 minutes  or 1 week = 10080 minutes

Q: Is the only standard unit in the metric system that has a prefix. what does this prefix means?.

A: Yes. A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple…

Q: Number of basic SI unit is   A) 4 B) 7 C) 6 D) 5

A: Number of basic SI unit is 7. The SI consists of 7 base units which describe the 22 units with…