In 2015, a Japanese high-speed train set a record— traveling at 374 mph during a test run near Mt. Fuji.  What is the speed in kilometers per hour (1 mi = 1609 m)?  Report your answer as a whole number.

Q: The Boston Marathon is the oldest annual foot race, in which those that finish complete a distance…

A: We will need to do two unit conversions. First, convert yards to miles.

Q: An object moves along the x axis according to the equation  x = 2.55t2 − 2.00t + 3.00,  where x is…

A: An object moves along the x-axis according to the equation  x = 2.55t2 − 2.00t + 3.00 ...(1)…

Q: How many significant figures does each of the following numbers have?a. 0.621 b. 0.006200 c. 1.0621…

A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you…

Q: In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280…

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Q: What is the speed of a car going v=1.000 mph in SI units? Notice that you will need to change miles…

A: As per the question, the speed of the car is v mph, we have to convert the speed of the car v in SI…

Q: The following data were taken on five cars traversing a 1.6-km highway. Car…

A: Write the expression for the traffic density. Here, N represents the number of vehicles and L…

Q: Question 2: Answer the following questions based on the graph given below Length vs Time^2 5 4.5 4…

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Q: Averages follow the same rule. Suppose a car travels around a track three times. Your measurements…

A: Given DataV1=45 km/hV2=48.21 km/hV3=47.024 km/h

Q: The following times are given using metric prefixes on the base SI unit of time: the second. Rewrite…

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Q: In SI units, speeds are measured in meters per second (m/s). But, depending on where you live,…

A: 1m =10-3 km1 s = 13600h1 m =6.21×10-4 mi

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Q: Quinton can run 12 miles per hour. How many feet can he run per second?

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Q: The distance between the WCU main campus in Cullowhee and the other campus in Biltmore Park is 54.5…

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Q: If you drive 113 miles in 2 hours and 15 minutes (2.25 hours) then what was the magnitude of your…

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Q: "ysis The most powerful engine available for the classic 1963 Chevrolet Corvette Sting Ray A.…

A: A.  327 cubic inches are 327·2.543 cm3    =3884 cm3. And since 1000 cm3 are 1 L,              this…

Q: The following lengths are given in meters. Use metric prefixes to rewrite them so the numerical…

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Q: 2. Do the following calculations, rounding off answers to the appropriate number of significant…

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Q: The speed on I-75 is 65 miles per hour.  If onbe mile is equal to 1.6 km, what is the speed limit…

A: Given data:  Speed (v) = 65 mi/h 1 mi = 1.6 km Required: Speed in m/s

Q: What are the units (in the SI system) of a physical quantity whose dimensions are L²M'T-3? kg/s³ |…

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Q: The SI unit of acceleration is _______________.   A) meters per seconds squared B) meters per second…

A: Acceleration is the rate of change of the velocity of the object.

Q: 10. Which of the following has 4 significant figures?" O 2000 O 0.020 O 2.002 O 2000.0

A: Significant figures are defined as the total number of digits in a given value. It provides a degree…

Q: Dimetrodon treks at 1.9 m/s. How long would it take to walk 2.5 km? #12 Sig Figs

A: Given data-      Dimetrodon speed (u)= 1.9 m/s     distance travelled (d) = 2500 meter Explanation…

Q: Length vs Time^2 5. 4.5 4. 3.5 2.5 1.5 0.5 1.2 0.6 Length (m) 0.2 0.4 0.8 alculated quantities Value…

A: Given: The graph is given in between (time)2 and (sec)2.   Introduction: The acceleration due to…

Q: Graph the data given then describe. Distance in km Time in min 2 3 8 12 10 15

A: it is given in the table, the value of distance and time, the respective value of distance . In…

Q: The path of a baseball after being hit is modeled by f(x) = −0.007x2 + x + 4, where f(x) is the…

A: The baseball’s path can be described as, Here, x denotes the horizontal distance.

Q: Which of the following values has the fewest number of significant figures? 0.100 O 1.00 O 10.0 O…

A: The properties of significant figure are:- -All the non-zero digits are significant. - All the zeros…

Q: You find signs of an ancient civilisation and with some effort discover what the the base units for…

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Q: 1. A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour? А. 3.6 В.…

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Q: Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and…

A: Distance , d = 5 mines and 130 yards  To find = distance in meters

Q: The correct conversion of speed limit of 65 mi/h in terms of SI unit is 1.609 km) (Given 1 mile= Oa…

A: Given, Speed, v=65 mi/h

Q: The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figures is (a) 663.821 (b)…

A: Adding the givens, Sum=436.32+227.2+0.301        =663.821

Q: 1. Draw a distance vs time graph. Distance (km). Time (hr) 105 1.4 175 250 315 2.3 3.3 4.2 350 495…

A: The distance versus time data is given for an object in motion

Q: QUESTION 1.4 Repeat the conversion, using the relationship 1.00 m/s = 2.24 mi/h. Why is the answer…

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Q: Usain Bolt from Jamaica holds the world record for the 100 meter race running it in 9.58 seconds.…

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Q: In meters, what is the displacement traveled fromt = 10 sec to t = 25 sec? To correctly calculate…

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Q: Suppose you take a trip that covers 180 km and takes 3 hours to make. Use the appropriate unit…

A: Given Distance covered in the trip is d=180 km Time taken is t=3 h   We have to find the average…

Q: The earth formed 4.57 x 109 years ago. What is this time in seconds?A. 1.67 x 1012 s            B.…

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Q: A car travels with an average speed of 35 MPH. What is this speed in km/h?

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Q: The following conversion equivalents are given:1 m = 100 cm 1 in = 2.54 cm 1 ft = 12 inA bin has a…

A: Given Information:

Q: How many significant figures does each of the following numbers have?a. 6.21                 b.…

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Q: A person walks 4 m to the park, then he walks 8200 km in the park then he returns back to home after…

A: Write the given values with suitable variables. d1=4 md2=8200 km=8200×103 md3=720 cm=7.2 m Here, d1…

Q: Simplify the following expression, combining terms as appropriate and combining and canceling units.

A: Simplify the expression using the below conversions,

Q: In the mens 5000 m short-track speed relay in the 2002 Olympics,the canadian team won the gold medal…

A: The race is started by both teams at the same time but the Italian team took 4.748 seconds more than…

Q: Some vehicles along super highways in the Philippines run at almost break-neck speed of 80 km/h.…

A: Given data:  Speed (v) = 80 km/h Required: The speed in miles per hour

Q: Which one of the choices below represents the preferred practice regarding significant figures when…

A: Given multiplication:  15.0×5.6×2.33

Q: What is the difference between something that operates in nanoseconds and something that runs in…

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.