lo qualify for the 2019 Boston Marathon, a distance of 42.195 km, a runner had to have completed another marathon in 3 hours 30 minutes or less. To qualify, what must the average speed have been in meters per second?

Q: The distance between two atoms in a molecule is 148 pm. What is this distance in centimeters?

A: we know, 1 picometer(pm) = 10-12 meter(m) distance ( in m) = 148 pm  × 10-12 m / 1 pm = 148  × 10-12…

Q: Gold, which has a density of 19.32g/cm^3, is sold by the troy ounce, which is 31.103 g. What is the…

A: We will use this formula, Volume = Mass/density

Q: Racing cars at the Indianapolis motor speedway routinely travel around the track at an average speed…

A: The relation between 1 mile per hour and kilometer per hour is given below.

Q: The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s.…

A: Length of swiming pool = 1500.0 m1 mi = 1609 mLength of swiming pool = 1500.0 m1609 m* 1 mi = 0.9322…

Q: Assigning Appropriate Significant FiguresThe state of Colorado is listed in a road atlas as having a…

A: Given information,        Population in Colorado is 5,546,574         Area of Colorado is 104,091…

Q: An Olympic-size pool is 50.0 m long and 25.0 m wide. How many gallons of water (d=1.0 g/mL) are…

A:

Q: A race car has a maximum speed of 0.104 km/s. What is this speed in miles per hour?

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A long ton is defined as exactly 2240 lb. What is this mass in kilograms?

A: Concept introduction: The ratio of two equivalent quantities that are expressed in terms of…

Q: 120. A hybrid SUV consumes fuel at a rate of 12.8 km/L. Howmany miles can the car travel on 22.5 gal…

A: Rate of the fuel is 12.8 km/L. This shows that SUV consumes 12.8 km with one liter.

Q: You drive in canada where the distance were marked in kilometers. The sign says you are 80km from…

A: The distance of Ottawa from the sign board is 80 km. You are travelling with a speed of 75 mi/hr. We…

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 cubic meters (m³) are in 288 liters (L)? Round to the correct number of significant…

A:

Q: • If a car travels a distance of 241 km, what is that distance in miles?

A: Given Distance = 241 km

Q: A square field has a perimeter of 3.6 km. What is the length of one side in metres?

A:

Q: How long (in minutes) would it take someone driving 31 m/s to travel 55 miles?

A:

Q: A single strand of natural silk may be as long as 4.03 × 103 m. Convert this length into miles.

A:

Q: You pass a road sign saying New York, 160 km. If u drive at a constant speed of 102km/hr how long…

A: Distance = 160 km Speed = 102 km/hr Time = ?

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: Approximately 75mL of blood is pumped by a normal human heart at each beat. Assuming an average 72…

A:

Q: Theodore plans on a taking 75 concrete pavers from his neighbor's yard. The pavers are made of…

A: We know that,       1Kg=1000g      1ton=1000Kg     1ml=1cm^3    1ft=30.48cm    1in=2.54cm…

Q: A car is traveling at a speed of 65miles per hour. How long does it take to cover a distance of 235…

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

Q: In an attempt to determine the velocity of a person on a bicycle, an observer uses a stopwatch and…

A:

Q: The density of aluminum is 2.70 g/mL. What volume would a cube of aluminum occupy if it weighed…

A: Density is related to mass of substance and its volume by the relation:Density = Mass (m)/Volume…

Q: The density of whole human blood in a healthy individualis 1.04 g/mL. Given that the density of…

A: Given data contains, Density of whole human blood is 1.04 g/mL. Density of water is 0.993 g/mL.

Q: You are driving 65 mi/h and take your eyes off the road for “just a second.” Whatdistance (in feet)…

A: Given data contains, Velocity is 65 mi/h.

Q: The men's world record for running a mile outdoors (as of 1999) is 3 min 43.13 s.  At this rate, how…

A: Meter and miles are some common units of distance. Similarly, hours and seconds are units of time.…

Q: The density of aluminum is 2.73g/mL. What volume of water (in cm^3) would 54.6g of aluminum…

A: Concept: The volume replaced by aluminium is equal to the volume of aluminium. So, first of all, we…

Q: The back inside cover of the book tells us that there are 5280 ft in1 mile. Does this make the mile…

A: 1 mile is given as equal to 5280 feet. When, 1 foot is converted into (1 / 5280) mile, which is…

Q: If a nanometer is one billionth of a meter (0.000 000 001 m), how many nanometers are there in one…

A:

Q: In a recent Grand Prix, the winner completed the race with an average speed of 229.8 km/h. What was…

A: The given distance in feet and miles are; 1 km=0.62137 miles229.8 km=142.79 miles1 km=3280.84…

Q: The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s.…

A: The time recorded for swimming 1500.0m in a long course pool is 14min 34.56s.The time is converted…

Q: A sprinter set a high school record in track and field, running 200.0 m in 21.3 s. What is the…

A: We have to calculate the speed in km/hr .

Q: The distance from Miami to Orlando is 235.0 mi. What is the distance in micrometers?

A: Given  Distance between  city  235 .0 mi

Q: A car traveling with constant speed travels 150km in 7200s. What is the speed of the car?

A: Speed is defined as the distance traveled by the object per unit time. It can be expressed as the…

Q: A cyclist rides at an average speed of 24 mi/h If he wants to bike 151 km, how long (in hours) must…

A: Given : Speed of cyclist = 24 mi/h And distance travelled = 151 Km

Q: The average speed of the International Space Station as it orbits the earth is 7710 m/s.  What is…

A: Distance can be measured in different units such as meters , centimeters , kilometers , miles  Some…

Q: The world’s oceans have a combined volume of 3.204 x 10^8 miles^3. (A) If the average density of…

A: In general. density can be defined as mass of a substance per unit volume of that substance.

Q: British driver Andy Green broke the land speed record at Black Rock Desert on October 15, 1997. He…

A:

Q: A person drives 65 mi/hr for 55 minutes. They continue driving for another 75 minutes at 35 mi/hr.…

A:

Q: A marathon distance race covers distance of 42.195 km. What is this distance in meters? In miles?

A: Given: Distance = 42.195 km To find: The distance in meters and in miles

Q: after you have worked out at the gym on a stationary bike for 49.0 minutes, the distance guage…

A: Given data:

Q: The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s.…

A: Given: For swimming, 1500.0 m is crossed in 14 min 34.56 s. The time taken to swim 0.600 miles at…

Q: A cyclist rides at an average speed of 18 mi per hour. If she wants to bike 212 km, how long (in…

A: Given : distance to be travelled = 212 Km  Speed of cyclist = 18 mi/hr

Q: 7. A submarine cruises through the water at a speed of 26.4 nautical miles per hour. If there are…

A: Question-7 Given data speed of submarine =26.4 nautical mileshr and  1.15 regular miles=1 nautical…

Q: The world record for the hundred meter dash is 9.79s. What is the corresponding average speed in m/s

A: Answer

Q: If you swam at a rate of 426.7 centimeters per second, how many hours would it take you to swim 15.1…

A: Time can be calculated using formula: Time = distance / rate or speed

Q: Racing cars at the Indianapolis Motor Speedway now routinely travel around the track at an average…

A: Average spedd of racing cars = 225 mi/hr Now, convert rhis speed into km/hr by using conversion…

Q: The average lead pencil, new and unused, is 19 cm long. What is its length in millimeters? In…

A:

Q: The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s.…

A: In a 1 minute, there are 60 seconds. The speed of the swimmer in m/s in calculated as shown below.

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.