A student needs to run 3.2 km to get to school. If the student can run 5.5 mi/hr, how many hours will it take them to get to school?

Q: The last race I ran was a total of 12.4 miles. If my average pace was 7.5 min per mile how many…

A: 1 minute = 60 seconds So, 7.5 minutes = 7.5× 60 seconds = 450 seconds

Q: Elaine needs 5.55g of sea salt. She has 4.0 L of water from the Atlantic Ocean. The density of this…

A: Given information: Mass of sea water = 5.55 g Density of water = 1.027 g/mL

Q: Lake Greenwood has a shoreline of 341 km.  If you walk 3.46 miles each day, how many days would it…

A:

Q: fly on 52.5 gal.?

A:

Q: If the rate of a car on the 60 freeway is 65 mph or miles per hour, what is the car’s rate in km per…

A: Introduction: The speed of a moving object is defined as the distance travelled by the object in per…

Q: The distance from your home to school is 15.5 km. How many miles is this?

A: Given, Distance = 15.5 kmConversion of kilometre (km) to miles (mi) can be done using conversion…

Q: Today I ran 9.40 x 106 millimeters (mm). How far did I run in miles?

A: Given that, Distance ran = 9.40×106 mm We need to convert this into miles

Q: A runner wants to run 37.5 km. She knows her running pace is 6.7 miles per hour. For how many…

A: Time = Distance/Speed 1 mile = 1.60934 km

Q: One of the fastest pitches ever thrown in major league baseball was by Aroldis Chapman and had a…

A:

Q: You are renting a car and you wish to travel a distance of 850. miles. If the car has a mileage of…

A: Given: Distance to be travelled = 850 miles Mileage of car = 10.1 km/L To calculate: The Gallons of…

Q: A motorcycle’s fuel tank has a capacity of 0.0221 kL and the motorcycle can travel 15.0 km/L. 1.…

A: The solution is given below -

Q: Prior to hosting an international soccer match, the local soccer club needs to replace the artifical…

A: Given:The cost of grass turf = $8.00per square meter.The field is 0.1080 km by 0.0680 kmWe need to…

Q: A student is trying to determine how fast their car drives around a track. If they want to graph the…

A: The rate of change of position of a body is called as velocity. The magnitude of velocity is defined…

Q: How many miles a car at 80 km/h would travel in 1800 s?

A: Hours, minute and seconds are some common units of time. These units can be converted into each…

Q: In July 1983, an Air Canada Boeing 767 ran out of fuel in route from Montreal to Edmonton [all…

A: Density is given by the ratio of mass of the substance to its volume.

Q: How many minutes will it take a car to travel 857 km if the car is moving at a constant speed of 25…

A:

Q: A car is traveling at a speed of 65 mi/h. How long does it take to cover a distance of 235m?

A: Given, speed = 65miles per hour distance = 235 meters

Q: On a trip of 834 miles, an automobile consumed 35.5 gallons of gasoline costing $4.25 per gallon.…

A: Given: Miles travelled on a trip = 834 miles Gasoline consumed = 35.5 gallon Cost per gallon = $4.25

Q: A recreational runner has an average speed of 5.9 mph. How many km does she cover in 98 min

A: All physical quantities are used to measure certain property of substances such as mass, volume,…

Q: A runner wants to run 10.0 km. Her running pace is 7.5 mi per hour. How many minutes must she run?

A: Given: The distance travelled by runner is D=10.0 km. The speed of runner is s=7.5 mi/h.

Q: One car is traveling at 60.0 miles per hour, another car is traveling at 100.0 kilometers per hour.…

A: Converting the speed of first car from miles per hour to feet per second:1 mile = 5280 feet1 hour =…

Q: The density of aluminum is 2.7 g/mL. How many liters would 12.8 pounds of aluminum take up?

A: Given, Density of aluminium = 2.7 g/mL Note: 1 pound = 453.592 g Mass of aluminium = 12.8 pounds =…

Q: 5-hour energy is a drink that contains approximately 138 mg of caffeine. We also know that 1.00 oz…

A: Answer: In this question we have to find the number of chocolate bars that contains the 138mg…

Q: Human fat has a density of 0.918 g/cm3. How much volume (in cm3) is gained by a person who gains…

A: The density of a substance is equal to the ratio of its mass and volume. In general, the density of…

Q: If your car can travel 70.5 mi on 3 gal of gasoline, how many miles can the car travel on 28 gal of…

A:

Q: . A fighter jet must reach a speed of 62 m/s to take off from the deck of an aircraft carrier.…

A: Since, for conversion of m s-1 to miles s-1, 1 mile =1609 m 1hour=3600 s then,

Q: For the treatment of cystic fibrosis, it has been found thatinhaling a mist of saline solution can…

A:

Q: How much money will it cost you to drive 100.0 miles if your car gets 25.70 miles per gallon and gas…

A: Total distance of driving is 100 miles  total gas required for 100 miles = ( 100 miles x 1 gallon )…

Q: A student drinks a 16 oz bottle of Diet Cola. The student's stomach warms the soft drink from 2 °C…

A: Mass of the diet Cola is 472 mL. The density of diet cola is equal to the density of water. So, the…

Q: Charlotte is driving at 66.4mi/h and receives a text message. She looks at her phone and takes her…

A: Given,Speed = 66.4 mi/h Time = 4.30 secsConversion of seconds to hours:

Q: Mr Fast runs 3.7km. Mr Slow runs 630m. How much further does Mr Fast run than Mr Slow?

A: Given distance travelled by Mr Fast is 3.7 km. Distance travelled by Mr. Slow is 630 m.

Q: How much money will it cost you to drive 230 miles if your car get 25.70 miles per gallon and gas…

A: Determine amount of gas used:

Q: How many miles can you drive, if your car gets 27.60 miles per gallon and you have 12.00 gallons of…

A: Cost of 1 apple = 5Cost of 10 apple = cost of 1 apple x 10 = 5 x 10 = 50 The same concept is applied…

Q: A patient is being administered fentanyl medication. The doctor prescribes that the fentanyl be…

A:

Q: A runner wants to run 11.0 kmkm . She knows that her running pace is 7.3 mi/h.  How many minutes…

A:

Q: A runner wants to run 12.1 km. She knows that her running pace is 7.0 mi/h  how many minutes must…

A: Interpretation - To determine the time (in minutes) of runner girl -    Concept-  It is directly…

Q: How much money will it cost you to drive 145.0 miles if your car gets 25.70 miles per gallon and gas…

A:

Q: if i start in washington dc , and drive to new york, how many seconds will it takes if i drive 54…

A:

Q: A runner wants to run 11.0 kmkm. Her running pace is 8.2 mi/hrmi/hr. How many minutes must she run?

A: Given : Pace of runner = 8.2 miles/hr Total distance covered by runner = 11.0 Km

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.