A 673.1 Hz sound has a velocity of 5100 m/s in glass and 5940 m/s in steel. The wavelength (m) of this sound in steel is:

Q: O The water level is rising at 2 centimeters per second.

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Q: An airplane that travels 550mph in still air encounters a 50 mph headwind. How long will it take the…

A: ///  Given that, An airplane travels 550 mph            in still airplane encounters a 50 mph head…

Q: Find the slant height of the cone below: 60 8 cm

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Q: Johannes is 176 cm tall and casts a shadow of 424 cm long. What is the elevation of the sun?

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Q: Convert 75 mph to m/s   Work it out using the parenthesis method

A: Given,75 miles per hour

Q: A whisper in a quiet library is about 30 decibels. What decibel level would be recorded by a table…

A:

Q: egular coca-cola can is 2.5 inches in diameter and has a height of 4.75 inches. Approxima

A: The can of cola is cylindrical in shape with diameter 2.5 inches Therefore radius is…

Q: What is the measurement of ZADB and DC 76° 45° D C MZADB %3D DC A,

A: Angle subtended by a chord on centre is double of angle made on major arc . And  all angles…

Q: find the height of a right circular cone with its slant height equal to 16cm and total surface area…

A: Given:- Right circular cone with its slant height equal to 16cm and total surface area is 120 pi…

Q: For a 192-lb ice skater, the k in Equation (1) is about 1 / 3 slug /sec and m = 192/32 = 6 slugs.…

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Q: A 450-gallon tank full of water is draining at a rate of 20 gallons per minute.

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Q: The Great Earthquake registered a magnitude of 8.5 on the Richter scale. What was the intensity of…

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Q: The de Broglie wavelength (in nanometer) for an electron moving with 8.658 x m/s is: 104

A:

Q: The diameter d of the Milky Way galaxy is estimated as 100,000 light years. Express d in miles.…

A: Light year is a unit of length which is used to measure astronomical distances.

Q: d. How long will it take the racer to travel 300 ft? e. How far has the racer traveled when it…

A:

Q: What must be the diameter of pipe in inches which is required to carry 25 gallon per minute (gpm) of…

A: Solution :

Q: A metal at 86°C is placed in an oil bath at 200°C. After 30 minutes, the temperature reached 120°C.…

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Q: Which combination of lengths is equal to JH + HG in the diagram below?

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Q: On a steep mountain road the elevation dropped at the rate of 9 feet per 60 feet. Using signed​…

A: Here we have to find the rate at which the road dropped per

Q: also m ?DBA= ?

A: Using alternate angle fact

Q: If the car is traveling 65 miles per hour, about how many times per second does the wheel rotate?

A: we know that 1 mile=1.609344 kmand car is travelling 65 miles =65×1.609344 km=104.60 kmthat is car…

Q: The Santa Cruz lighthouse is 14 m tall and casts a shadow 28 m long a 7p.m. At the same time, the…

A:

Q: at (nxlb) mopoh- Find the average miles per houo Over whole loip? where

A: One way distance=7820 miles  Speed while moving down=782mph Speed while returning =7820 mph  We will…

Q: Solve for the voltage across the capacitor,

A: In this question, we have to model the differential equation for RLC circuit, and then using the…

Q: Find the area of the shaded sector. 154 7 km

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Q: An airplane dropped a flare from a height of 1560 feet above a lake. How many seconds did it take…

A: The diagram of an aero plane dropping a flare is shown below.

Q: Use the formula to estimate the BSA of a person who is 153 centimeters tall and who weigh 72…

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Q: A spy plane is cruising at an altitude of 18,250m. If the temperature at this altitude is -75C what…

A: Consider the given question,Given Altitude, H = 18,250 mTemperature, T = -75 degree Celsius = (-75 +…

Q: In Moscow in 1987, Natalya Lisouskaya set a wom-en’s world record by putting an 8 lb 13 oz shot 73…

A: From the given information we get: 73 ft 10 inch= 73.83 ftg= 32

Q: Hence, use the rounded values of y and w to find x, correct to 1 decimal place.

A: To find the value of x using y and w

Q: the radian measur at's 60 ft long?

A:

Q: (C) Estimate the height of a tree with a Dbh of 15 inches. feet (Round to the nearest foot as…

A: We need to estimate height.

Q: A house is 80,000 square feet. about how many acres is the lot. there are 43,560 square feet in an…

A:

Q: Your hose fills a s pool is full in 1 ho alone?

A: your hose fills the pool in 3 hours.  Work done in 1 hour =13 Time taken when work together = 1 hour…

Q: A sign in an elevator in France indicates that it's maximum weight capacity is 300 kilograms. What…

A: The maximum weight capacity of the elevator is 300 kilograms.

Q: ep along the shore at a point 1400m from the nearest point?

A: Please refer to the image below

Q: Sixty miles/ hour is how many ft/sec?

A: Given

Q: Max is riding a bicycle with 12 inch diameter tires. If he is riding at 15 miles per hour, how many…

A:

Q: Use OD. E Name a secant. a. AB Ob. CE C. CB Od. DB 18

A:

Q: Sally drove 500 mi. in 10hrs. Find her average speed using d = rt.

A: Sally drove = 500 miles Time taken = 10 hrs

Q: A boy is twirling a gas powered model airplane on a twin string harness control that is 20 feet…

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Q: What is the intensity level of a lawm mower if the sound has the intensity of 0.00063 W/m^2?

A: Given  Intensity level L = 10 log(I/Io) db I = 0.00063 W/m2 = 63× 10-5 W/m2 Io =  10-12 W/m2

Q: As a car moves along a section of the roadway in a mountain pass, it passes through a horizontal run…

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Q: A glass plummet weighs 14.35 g in air, 11.40 g when immersed in water, and 8.95 g when immersed in…

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Q: If a cyclist was using his 210-millimeter-diameter chainring and pedaling at a rate of 85…

A: If a cyclist was using his 210-millimeter-diameter chain ring and pedaling at a rate of 85…

Q: sarah drives 55 mi/h for h hours. which shows the nmber of miles that sarah drove?

A: Speed at which Sara drove is 55 mi/h Time for which Sara drove is h hours.

Q: An observer located 3 km from a rocket launch site sees a rocket at anangle of elevation of 38°. How…

A: Given: An observer located 3 km from a rocket launch site sees a rocket at an angle of elevation of…

Q: A whisper in a quiet library is about 30 decibels. What decibel level would be recorded by a table…

A:

Q: Each tire of an automobile has a radius of 1.25 feet. How many revolutions per minute (rpm) does a…

A:

Q: A ship is sailling at 5 knots (nautical miles per hourlon

A: Given, Speed of ship: Vs=5knots. Direction of ship: θ=000° speed of wind: Vw=4knots Direction of…