3. You are driving in Europe and you see that the posted is 90 seconds per hour (km/hr.). How many miles per hour (m/hr.) is this? How many feet per second (ft./sec) is the speed limit? (1 s).

Q: Explain. Why it is correct to write 1 min/60s=1, but it is not correct to write 1/60=1

A:

Q: 3. Give the number of significant figures in each of the following. A. 10.0005 g C. 2900 + 100 ft B.…

A: The significant figures can be used to represent the standard measurement in science and they…

Q: 16. Express 5690000000 in scientific notation 17. How many significant digits does 705.001 have? 18.…

A: Scientific notation : A.B × 10C  where A , B & C are digits

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.…

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A: Given,Earth rotate at 360o in 24 hours

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A:

Q: 10. Rohith has been jogging to the bus stop for 2.0 m this 10.0 s? 10 cm/y to 0.5 cm/y over

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Q: 1. What is 14.0 kilogram per liter in kilogram per cubic meter? A. 14,000 B. 14,000.0 C. 1.40 x 10…

A: Given : V = 14.0 kilogram per liter

Q: 1. A sink hole on the ground created by the collapse of an old underground mine measures 43.5 m x…

A: the dimensions of the sink hole on the ground created by the collapse of an old underground mine =…

Q: In 2015, a Japanese high-speed train set a record— traveling at 374 mph during a test run near Mt.…

A: Given speed  V=374 mph and 1 mile=1609 m=1.609 kilometres  since we know that 1 kilometres =1000…

Q: 7. How many miles are there in 3.8 x 1012 kilometers?

A:

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has…

A: Average speed of tectonic plates (v) = 2.5 cm per year

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Assume the height of the cliff is denoted by h. The initial velocity of the rock is u = 0 m/s.…

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A: Given that, Velocity, v = 8 m/s   We need to tell how many kilometers per hour is the velocity 8…

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A: Data Given ,  Distance ( D ) = 1260 km Time ( t ) = 3.5 hours  Lethe average speed = S

Q: An airplane accelerates down a runway at 3.20 m/s2 for 32.8 s until is finally lifts off the ground.…

A: Initial velocity (u) = 0 msacceleration (a) = 3.2 ms2time taken (t) = 32.8 seconds

Q: 1. Do a rough-order estimation on how many miles a typical truck driver who drives an 18 wheeler…

A: 91,506 miles per year

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Initial speed of rock = 0 m/s  Time taken = 5.25 seconds  Using equation of motion for an object…

Q: In Europe the speed limit is 95 km/hour. How many meter/second is that?

A: Speed Limit= 95 kmhr To convert : the given speed limit in meters per second

Q: 27. A piece of carpet is 68.58 cm wide. How many strips of such carpet will it take to cover the…

A: Given: The width of the piece of the carpet is 68.58 cm = 0.6858 m. The width of the roop is 5.5 m.

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A: Q3 solution:

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Q: 23. A climber is on a hike. After 180 minutes, he is at an altitude of 400 feet. After 360 minutes,…

A: The equation of a line passing through two points (x1,y1), and (x2,y2) can be found using…

Q: 5. A stray dog is walking along a road with a constant speed of 3 miles per hour. He walks for 13…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

Q: 1. Convert a velocity of 60 miles per hour to units of feet per second.

A:

Q: [#142] How many cells are you? How many cells in a human? Assume that cells have a typical size of…

A: Average volume of a human body can be assumed to be V=62000 cm3=6.2*10-2m3 and size of a cell d=10…

Q: 1. How many significant figures are in the following numbers? a. 980.00 b. .002220000 c. 792,010. d.…

A: To solve for this, we use various rules for significant figures. 1. 980.00 This has 5 significant…

Q: 9. Write the following as full (decimal) numbers without prefixes on the units (d) 62.1 ps (e) 22.5…

A: For finding the full numbers, we just need to know the decimal representation of the unit prefix.…

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Q: He spots a juicy one in the grass and takes off from our porch at 5.22 m/s. When he reaches the…

A: The speed of Boomer v =5.22 m/s The distance moved by Boomer d=8.16 m The time taken by Boomer is…

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Q: 11. The unit of mass in the USCS of units is the slug. To calculate mass in slugs we use: weight…

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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: 33. If you are at the top of a tower of height h above the surface of the earth, show that the…

A: Given: The height of the tower is h. The radius of the earth is R.

Q: 9. 1 km/hr to ft/s 10. 1 mi/hr to m/s

A:

Q: 1. How many pounds does 2.00 kg of cheese 2. How many mL are in 0.50 quarts? 3. How many inches are…

A: Therefore 2 kg is 4.40925 pound 0.50 quarts is 473.176 mL

Q: Explain the qualitative and quantitative variables with examples which used in the field of physics

A: In physics, qualitative variables are the phenomena or events happening in the universe , on which…

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Q: 19. A common speed limit in British Columbia is 80 km/hr. What is this speed in m/s? 20. Considering…

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Q: 13. How many centimeters are there in 0.25 m? *

A: We are allowed to give the explanation of first question only which is given below.  Please repost…

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Q: A car travels 23km in 15 minutes. How fast is it going in kilometers per hour? In meters per second?

A: Given Data:- Distance traveled by the car is d=23 km Time t=15 min   Required:- We need to calculate…

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

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Q: To get to his office from home, Greg walks 5 blocks north and then 3 blocks east. After work he…

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Q: 4. A student going to school walked 1.00 km north and then 2.00 km east on a horizontal ground. How…

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Q: A man is driving at a speed of 90km/h for 2 hours and slowed down to 82km/h for 1.5 hours. What is…

A: Given data:  The speed (v1 ) = 90 km/h for t = 2 hours The speed (v2 ) = 82 km/h for t = 1.5 hours…

Q: 2. Determine the number of significant figures in the following numbers. c. 10082.3 d. 0.0001190

A:

Q: 7.  On the planet Zebulon, the standard unit for length is the clorf (cl) and the standard unit for…

A: Write the variable with the given value.