An athlete runs with velocity 12 km/h for 4 minutes, 16 km/h for the next 2 minutes, and 17 km/h for other 6 minutes. Compute the total distance traveled. (Use decimal notation. Give your answer to two decimal places.)

Q: In how many microseconds does a vehicle with an average constant speed of 90 m/minute travel the…

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Q: Express the following in scientific notation and indicate how many significant figures each has. a.…

A: Scientific notation and indicate how many significant figures each has. a. 5780.0 b. 0.008401 c.…

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

A: Given Distance fell = 4 miles, 304 yards. We have to calculate the this distance in meters

Q: Express the following with appropriate units and significant figures. 1.0 m + 9 mm. Answer must be…

A: Required : Express the following with appropriate units and significant figures. 1.0 m + 9 mm.…

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

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Q: 1. Draw a distance vs time graph. Distance (km) Time (hr) 105 1.4 2.3 175 250 3.3 315 350 4.2 4.8…

A: Given: Distance(km) Time(hr) 105 1.4 175 2.3 250 3.3 315 4.2 350 4.8 495 6.6 To…

Q: Express the following sum with the correct number of significant figures: 1.80 m + 142.5 cm + 5.34 *…

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Q: The dimension of a room is 12 feet by 20 feet. Compute the area of the room square yards. Given 1…

A: The dimension of a room is 12 ft by 20 ft. So, length L=20 ft and breadth b=12 ft. The conversion…

Q: answer

A: Given: 3.247 + 41.35 +0.2 - (23.45 x 1.5376) =

Q: If you travel 2 hours and the distance is 75 miles, what is the speed in m/s? (1km=0.62 miles)

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Q: A person walks 70 meters due east and then walks 24 meters due west. The entire trip takes the…

A: A person walks a distance due east is ,                               X = 70 meters Then he walks a…

Q: Which of the following statements uses exact numbers? (a) 1 ft = 12 in.(b) 1 cal = 4.184 J(c) The…

A: 1 ft = 12 in. 1 cal = 4.184 J

Q: Express the following sum with the correct number of significant figures: 1.80 mm + 171.5 cm +…

A: Here, the sum is

Q: What is the difference between something that works in nanoseconds and something that functions in…

A: The order of magnitude of something that works in nanoseconds is 10-9 s It is because 1 ns = 10-9 s…

Q: The number of seconds in 1 week when expressed in scientific notation rounded to the nearest tenths

A: We know that, 1 week = 7 days And 1 day = 86400 seconds

Q: What is the order of magnitude difference between something that operates in nanoseconds and…

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Q: Find the product below and express the answer with units and in standard scientific notation with…

A: In the first step, multiply the numerical value given in the expression, next find the product…

Q: Express this product in units of km3 in standard scientific notation and with the appropriate number…

A: given that (4.2 km) × (4.0 m) × (13.24 × 10−3 mm)

Q: A bird can fly 25 km/h. How long does it take to fly 3.5 km?

A: The given data are listed below with appropriate variables. Here, v denotes the bird’s velocity and…

Q: An object in free fall travels a distance s that is directly proportional to the square of the time…

A: Given data: Distance s is directly proportional to square of the time  Distance falls in 7 seconds…

Q: Write down how many significant figures in the following numbers: 1. 78.05 2. 2008 3. 58.00 4.…

A: Given data:  Different numbers are given 78.05,     2008,    58.00,   784000 Required: Number of…

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 motion of a particle is given by the equation where s is in feet and t in seconds. Compute the…

A: Given data: Equation of motion: s=2t4-16t3+2t2 Time, t=2 s

Q: How far does a car going 17m/s travel in 15.7 min. Give answer in meters.  Calculate answer to one…

A: Let s denote the total distance travelled by the car. Let v denote its constant speed, and let t…

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

A: Significant figures

Q: In the old pharmaceutical system of measurements, masses were expressed in grains. There are 5.760 x…

A: Given Data: There are 5.760 x 103 grains in one lb. An old bottle of aspirin lists five grains of…

Q: Solve the following problem and express the answer in scientific notation with the appropriate…

A: Significant figures: Significant figures sometimes called significant digits. The term significant…

Q: The formula d =1.35· h, models the distance in miles from the horizon where h is the distance in…

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Q: How many significant figures are there in the number 0506.00? А. 6 В. 5 С. 4 D. 3 Е. 2

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Q: Somewhere, time is measured in cronosees (c) and distance is measured in tsols (t). The conversion…

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Q: A jet airplane reaches 875. km/h on a certain flight. How long does it take to cover 246. m? Set the…

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Q: In the following calculations, be sure to express the answer in standard scientific notation with…

A: The following subtraction needs to be done:Let A=3.78×107 g- 4.701×105 gFirst we need to make the…

Q: Draw a distance vs time graph. Time (hr) Distance (km) 105 1.4 2.3 175 250 3.3 315 350 495 4.2 4.8…

A: The table for the graph is: Distance(km) Time(hr) 105 1.4 175 2.3 250 3.3 315 4.2 350…

Q: The height h in feet of an object that is dropped from a height of a feet is given by the formula h=…

A: Height of one story = 12 feet so Total height of the bottle from ground = 12*5 story = 60 feet and…

Q: Convert: 30 miles/hr to km/s

A: Given data: 30 miles/hr Required: 30 miles/hr in Km/s

Q: How many Significant Figures are in the answer?

A: Significant figures in a measurement indicate the number of digits which can be trusted in terms of…

Q: 1. Draw a distance vs time graph. Time (hr) Distance (km) 105 1.4 175 2.3 250 315 3.3 4.2 4.8 6.6…

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Q: Give the answer in scientific notation and to the correct number of significant figures…

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Q: The speed of light is about 3.00 x 108 m/s. Convert this figureto miles per hour.

A: in one hour there are about 3600 seconds . The relation between miles and meter is given by,

Q: Perform the highlighted conversions. For all linear conversions, use the conversion factor 1 inch =…

A: 1) Determine the unit conversion.

Q: A bird can fly 25km/h How long does it take to fly 3.5 km?

A: Speed of the bird,(S)=25 km/hr ----(1) [Given] Distance travel by the bird,(D)=3.5 km ----(2)…

Q: A car is traveling at a constant speed of 32.7km/h. It begins to accelerate at a rate of 6.2m/s² for…

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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.