A cyclist rides at an average speed of 18 mi per hour. If she wants to bike 212 km, how long (in hours) must she ride?

Q: A cyclist travels at a rate of (2.30x10^1) miles per hour. At this speed, how many minutes would it…

A: Speed of cyclist = 2.30 x 10 = 23 mi/hour Distance to be covered = 2.25 x 102 = 225 km Time to…

Q: If light travels exactly 1 meter in 1/299,772,458 of a second, how many kilometers does it travel in…

A: The speed of the light refers to the distance travelled by the light in a given unit of time. The…

Q: A marathon is 26.2 miles. How many km is this?

A: Given: Distance = 26.2 miles

Q: A car moving at an average speed of 55.0 mi/h for 4.25 h has traveled how far?

A: Given information, Average speed = 55.0 mi/h Time traveled = 4.25 h Calculate : Distance = ?

Q: What is the speed of light in miles per second? Express your answer in scientific notation. The…

A: Given: The speed of light in m/s is 299,792,458 m/ s.

Q: minutes

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Q: The distance between San Mateo and Los Angeles is about 415 miles. What is this distance in meters…

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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 student's commute to school is a distance of 23 km. If he travels at 45 miles/hr how many minutes…

A: Given : Distance in Km = 23 km And speed of student =  45 miles/hr.

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: If a tiny marble has a radius of 0.25mm, how many marbles can be lined up across the circumference…

A:

Q: Traveling at 65 miles/hour, how many feet can you travel in 22 minutes?  (1 mile = 5280 feet)

A: Given : Speed = 65 miles/hour. And total time = 22 mins.

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

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Q: The average radius of a molecule of lysozyme, an enzyme in tears, is 1.430 nm. What is its radius in…

A:

Q: A student needs to run 3.2 km to get to school. If the student can run 5.5 mi/hr, how many hours…

A: Given: Distance to be travelled to get to school = 3.2 km Speed of student = 5.5 mi/hr To calculate:…

Q: The men's world record (as of 2007) for swimming 1500 m in a long course pool is 14 min 34.56 s. At…

A: For swimming 1500 m , Time required = 14 min 34.56 sec   We have to find the time required to swim…

Q: Women runners must run a marathon race (26.2 miles) in less than 3 hours and 40 minutes to qualify…

A: 1mile=1609.344m So, 26.2miles= 26.2 x 1609.344m                          =42164.81m 1hour=60min ,…

Q: A certain satellite orbiting Earth has a speed of about 17,000 miles/hour. What is its approximate…

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Q: At sea, distances are measured in nautical miles and speeds are expressed in knots.  (1 nautical…

A: 1 nautical mile = 1.151 miles

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: If an automobile is able to travel 400 km on 47.4 L of gasoline, what is the gas mileage in miles…

A: 1 mile = 1.61 km 1 gallon = 3.8 L Automobile is able to travel 400 km on 47.4 L 400km = (400/ 1.61 )…

Q: If light travels exactly 1 meter in 1/299,772,458 of a second, how many kilometers does it travel in…

A: The metre is the length of path travelled by lightin vacuum during a time interval of…

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: 14. A student who is driving home for the holidays averages 70.5 miles per hour. How many miles will…

A: Speed = 70 miles per hour Time Travelled = 8.73 hours

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: If an object is traveling at a speed of 400 m/s, how long (in hours) will it take to reach 950.5 km?…

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Q: How many minutes would it take to go 10.2 km at a speed of 7.65 mi/hr ?

A: Given: Speed = 7.65 mi/hr

Q: lo qualify for the 2019 Boston Marathon, a distance of 42.195 km, a runner had to have completed…

A: the average speed=total distance travelledtime taken

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

A:

Q: The men's world record (as of 2007) for swimming 1500 m in a long course pool is 14 min 34.56 s. At…

A: Distance = 1500m Time = 14min 34.56s  1 min = 60s  14min×60s/1min = 840s  Time in seconds =…

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

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Q: If your pace on a treadmill is 65 meters per minute, how many minutes will it take for you to walk a…

A: As pace on treadmill is 65 meter per minutes is given. Since pace or speed is distance traveled by a…

Q: Iron has a density of 7.87g/cm^3 if 52.4g of Iron is added to 75.0mL of water in a graduated…

A: The relation between cubic centimeter and milliliter is given below.1cm3 = 1 mLThus, the density of…

Q: On the planet Xgnu, the most common units of length are the blim (for long distances) and the kryll…

A: The solution is given below -

Q: HoLw many From the Sun to reach Earth? (The minutes does it take light distcince From the Sun to…

A: Given,            distance from sun to earth = 93 million miles            speed of light = 3.00 x…

Q: Measurements Golden eagles in the alps hunt from high altitudes. While hunting, eagles can reach…

A:

Q: what is this speed in miles per hour?

A: Given :- speed = 0.6708 m/s  To calculate :- speed in miles/hour

Q: If you travel to Canada, speed limits are posted in km/hr. For a speed limit of 70. mi/hr, what…

A: Given :-  Speed = 70 mi/hr  To convert :-  The given speed in Km/hr

Q: A sample of metal has a mass of 19.13g, and a volume of 5.18mL. What is the density of this metal?

A: Given: Mass of metal = 19.13 g. And the volume of metal = 5.18 mL.

Q: A sample of mercury is found to have a mass of 524.5 g and to have a volume of 38.72 cm3. What is…

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Q: The speed of light in a vacuum is 3.00 x 108 m/s. What is the speed of light in kilometers per hour…

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Q: The world record for the hundred meter (exact) dash is 9.58 s. At this speed, how long would it take…

A: The speed of the object is equal to the ratio of the distance covered by the object to the time…

Q: If light travels exactly 1 meter in 1/299,772,458 of a second, how many kilometers does it travel in…

A:

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.