In the following diagram containing two charges, Q1 = 2.00 µC is located at (0,3) and Q2 = - 2.00 µC is located at (4,0). 49 (0,3) (4,0) 6. find the electric force between Q¡ and Q2. a. 1.44 x 10³ N b. 2.88 x 10³N c. 1.75 x 10³ N d. 3.86 x 10³ N

Q: Differentiate dimension versus unit.

A:

Q: An altitude of 57,175 feet is equivalent to how many kilometers? (1 in = 2.54 cm exactly)

A: Altitude in Feet 1 in=2.54 cm

Q: Calculate the density of a block of rock given that the block has a mass of 70 kg (the average mass…

A: Given that,block of mass (m)=70 kgvolume (V)= 0.70 ft3

Q: give a unique example of a scientific statement and explain WHY your statement is scientific.

A: A scientific statement is basically a belief that can be proved wrong and it may or may not contain…

Q: Convert (6.963x10^7) cm to kilometers. Use the abbreviated form of the unit in your answer.

A: Given,  Length = 6.963 × 107 cm  We need to convert it in kilometers.

Q: You are making soup that requires 4 lbs. 7 oz. of mirepoix. The ratio for mirepoix is 2 parts onion,…

A: 16 oz make a pound. Using this, first, evaluate the total given mass (M) in pounds as follows:   M=4…

Q: hrs. Calculate the average speed

A: Given : Distance covered by car = 200 kilometres Time taken  = 8 hours

Q: Is the following in correct scientific notation? 4.321 x 10 True O True O False

A: Scientific notation is a way of expressing numbers that are too large or too small to be…

Q: What is meant by the term 'a base unit'?

A: Base quantity is measured by base unit .This is also called fundamental unit which is not a…

Q: covers an area of 5.01

A: 1 m = 100 cm

Q: A U.S. Geological Survey map has a scale of 1 inch:24700 inches. If two buildings are 3.93 miles…

A: Given Data, 1 inch on map=24700 inches on the earth

Q: 3. A person weighs 180 pounds. If the earth's radius were to increase by a factor of 3, how much…

A:

Q: Use the graph to answer the following questions. Answers have a 5% tolerance to allow for…

A:

Q: Anytown is 1,789.5 km from Sometown. How far is this in miles? (Hint: please use correct decimal…

A: Given :-  Distance of Anytown from Sometown        d = 1789.5 km

Q: Calculate (6 × 10²) + 10-³. Express your answer to six significant figures.

A: Given  (6×102) + 10-3  After solving -  = (600) + 10-3  = 600 + (0.001)  = 600.001

Q: Define a Dimension and a Unit. State TWO (2) examples of Dimension and Unit. ?

A:

Q: Evaluate the following expression and express the answer in scientific notation rounded to the…

A: 0.03348 m/s / [0.0094099 m + 2.28×10-4 m] = ?

Q: How would you define distance

A: Distance is a scalar quantity.  .

Q: what is the density of the earth if the average mass is 5.98X10^24 kilogram and using the average…

A:

Q: Can a scientific diagram be set up when using a 3D object? Or does it have to be a 2D object

A: 3D models are those models where we can see, imagine or visualise the actual scenario o we can…

Q: Figure out which of the following is larger. The surface area of a sphere with radius 100 m or the…

A: Radius of sphere (R) = 100 m = 0.1 km Surface area of lake = 3 square km

Q: Density is given by the equation density-mass/vol (d=m/V). Given that the density of tin is known to…

A: Equation of density: A tin's density,  g/mlThe tin's mass gramsThe volume of water the tin cylinder…

Q: Suppose you drive from Here to There at a speed of 45 miles per hour and then drive back from There…

A: Given data:  From here to there, Speed (v1 ) = 45 mi/h Back from there to here, Speed (v2) = 90 mi/h…

Q: alculate magnitude in coloumbs law

A:

Q: The estimates for the amount of oil spilled into the Gulf of Mexico during an oil spill disaster…

A: Amount of oil spilled = 120 to 190 million gallons

Q: What is the equation to represent an airplanes altitude if its descending from 35,600 feet at 3200…

A: Let h(t) denotes altitude of the plane at any time t. We can make equation for altitude by using…

Q: If a body has a mass of 20 g and a volume of 5 cm3 , what is its density ?

A:

Q: Convert 42,960 m/s to mi/s. 1 mile is 1.609 km. Round to 1 decimal place.

A: Given data:  Speed (v) = 42,960 m/s 1 mile = 1.609 km Required: Speed in mi/s

Q: A student sees a newspaper ad for an apartment that has 1,846square feet (ft2) of floor space. How…

A: Dear student In 1 foot there is 0.3048 meters. So 1 square feet = 0.0929 square meters.

Q: Give an example of a derived unit to illustrate its meaning.

A:

Q: What is the volume of a box that measures 55.0 cm by 30.0 cm by 45.0 cm

A: given dimension of box length (l)= 55.0 cm  breadth (b) = 30.0 cm  height (h)= 45.0 cm where volume…

Q: What is the height of a 4 ft 2.3 in tall person in meters? Hint The height of this person is m.

A:

Q: how can we convert km/hr to m/s

A: Convert of km/hr to m/s. is shown below:

Q: The radius of a sphere is 3.08 meters. What is it's surface area?

A:

Q: The Earth has a mass of 5.98 x 10 ^24 kg and a radius of 6.38 x 10^ 6 m. The density of the earth is…

A:

Q: 5. A large sheet of construction paper measures 20mm by 15mm and the volume is 4mm³, where V=lwt(…

A:

Q: explain the difference between North/South and East/West traffic. Be sure to include the…

A: Here is your solution -

Q: If the density of an object is 8.060 lb/ft3, then the density in SI units, is what?

A: The given data is: Density: 8.060 lb/ft3 The objective is to convert the unit to SI system.

Q: Write the names of two length units that are less than a metre long. Describe their relationship to…

A: Definition of meter Meter is the unit of length in the standard international system(S.I) system.…

Q: Calculate the time it would take a bus to travel 20,000 cm at an average speed of 3.5 m/s.

A: The expression for find time is s=dtt=ds