One of the fastest pitches ever thrown in major league baseball was by Aroldis Chapman and had a velocity of 105.1 miles/hour. How many seconds did it take this pitch to travel the 60 feet and 6 inches from the pitcher's mound to home plate? (1 mile= 5280 feet)

Q: The speed of light in a vacuum is 2.998X10⁸m/s. What is itsspeed in (a) km/h; (b) mi/min?

A: Speed of light- This phenomenon is is proposed by Einstein in 1905. It is denoted by ‘c’. It is…

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 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: 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 woman is planning on running a 10K (10.0 km) race. a. How many yards will she race? (1 yard = 3…

A: (a)Conversion of kilometers to yards:

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: 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: A small airplane takes on 245 L of fuel. If the density of the fuel is 0.821 g/mL, what mass of fuel…

A: Given: Volume of fuel = 245 L = 245000 mL Density of fuel = 0.821 g/mL

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

A: First simplify the 7200 second into minutes. 7200/60=120 minutes. Then simplify into hours.…

Q: Speed of sound in air at room temperature is about 343 m/s. Calculate this speed in miles per hour.…

A: Speed : distance per unit time is defined as speed  Speed = Distance/time  Units:  meter/second s…

Q: In water conservation, chemists spread a thin film of a certain inert material over the surface of…

A: Answer :           Lenght of each oil molecule = 2.38 nm. Given :            Volume of oil = 0.10 mL…

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: 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: An ounce of aluminum has a mass of 28.4 g, and an ounce of silver weighs 31.1 g. Which is heavier:…

A: An ounce of aluminum has mass = 28.4 gAn ounce of silver has mass = 31.1 g

Q: A cyclist rides at an average speed of 24 mi/h. If he wants to bike 195 km, how long (in hours) must…

A: average speed of cyclist=24 mi/hr distance he wants to cover=195 km as 1 km =0.621 mitherefore 195…

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 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: 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: 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: At a resting pulse rate of 7777 beats per minute, the human heart typically pumps about 7575 mL of…

A: The density of object is calculated by the formula, Where, m is the mass of an object. V is the…

Q: The distance from New York City to Cleveland is 464 miles. How many kilometers would this be given…

A: Answer  Convert 464 miles into km 1km = 0.621mi

Q: A hybrid car can make 55 miles on per gallon of gasoline. How far in kilometers will this car…

A:

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: 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 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: Assume it takes 7 minutes to fill a 30 gallon gasoline tank. Determine the time interval, in hours,…

A: Rate at which the tank is filled can be expressed in terms of total volume divided by total time.…

Q: The average adult heart pumps about 84. mL/s of blood at 72 beats per minute. Suppose you need to…

A: Given that : Rate of volume of blood pumping = 84 mL/s The volume of blood to be circulated = 5100…

Q: The distance from Earth to the Moon is approximately240,000 mi. (a) What is this distance in meters?…

A: The distance of the earth from the moon in meters can be expressed as follows-

Q: If an automobile gets 24.5 miles to the gallon and the cost of gasoline is $2.75 a gallon, how much…

A: 1 Mile = 1.61 Kilometers 1 gallon = 24.5 miles = 24.5×1.61 = 39.445 Kilometers

Q: The distance from the Earth to the moon is 239,000 miles. The Apollo 11 mission took 73.45 hours to…

A:

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

A:

Q: Aroldis Chapman is a MLB relief pitcher who recorded the fastest pitch in a major league game, which…

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…

A:

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

A: Given data:

Q: A bullet leaving the muzzle of a pistol was traveling at a speed of 2450 feet per second. What is…

A:

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: The speed of light in a vacuum is 2.998 x 10 m/s. What is its speed in kilometers per hour (km/h)?…

A:

Q: The speed of light in a vacuum is 2.998×108 m/s. Calculate its speed in miles per hour (miles/h).

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

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: An object is travelling at a rate of (1.50x10^8) mm/min. How many seconds would it take for this…

A: The relationship between the velocity, wavelength, and frequency of a wave is given by…

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.