if a motor rotates 1627 3/4 revolutions per second. how many revolutions will it make in 13/15 of a second?

Q: 2. Calculate the sound intensity in watts/m2 of a 65-decibel sound.

A: Given,             65 DBWe have to find out Sound Intensity in watts/m2.

Q: According to the recommended safety ratio of 4:1, how high will a 44-foot ladder reach when placed…

A: Safety ratio is 4:1  means  a = 4x  and  b = x And length of ladder is 44 foot We have to find…

Q: How many times as loud is a' sound at 140 decibels than a sound at 70 decibels?

A: We have to use loudness od sound in decibals formulae.

Q: a boat travels 30 km upstream in the same time it takes to travel 46 km downstream if the current…

A: given ,  upstream distance = 30km downstream distance = 46km rate of stream = 6kph

Q: The minute hand of a clock is 6 inches long and moves from 12 to 4 o'clock. How far does the tip of…

A: The minute hand of a clock is 6 inches long and it moves from 12 to 4 o'clock. The minute moves 20…

Q: If Dustin alone does a job in 12 hours, and with the help of Savannah they can do it together in 5…

A:

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: 2,689 RPM (revolutions per minute) equals how many revolutions per second? 1 minute = 60 %3D…

A:

Q: 3. A motorcycle is travelling at 75 miles per hour. If its tires have a diameter of 36 inches, how…

A:

Q: How long a tape does a police officer need to record a 2 minute video confession at an operating…

A:

Q: A patient is administered a dose of 50 mg of a drug.  If the body naturally disposed of 5% of the…

A: Initial amount of drag = 50mgevery hour disposal = 5%⇒remaining amount after an hour = 100 - 5 =…

Q: LA wheel has a diameter of 100 centimeters. If the wheel is supporting a cart moving at 45…

A:

Q: Light travels at 186,283 miles every secound. How many feet per hour does light travel?

A: speed of light = 186,283 miles per hour   then, speed in feet per hour =?

Q: Forty grams of a certain radioactive material disintegrates to 16 grams in 220 years. How much of…

A: Radioactive material follows first order kinetics equation - k = 1tlnA0AA0 = Initial amount = 40 gmA…

Q: how many nanoseconds does it take light to travel 5.50 ft. in vacuum? (this result is a useful…

A: Light travels on 5.50 ft in vaccum

Q: Estimate how many times a dart will hit the new bull's eye if 50 darts hit the target. Round your…

A:

Q: 1.) A motorbike can travel 34.5 km/s per day if he travels 45.8 km/s again on the next day, find the…

A:

Q: A bicycle wheel 26 inches in diameter travels 20 inches in 0.10 seconds. what is the speed of the…

A: Given that a bicycle wheel has a diameter 26 inches travels 20 inches in 0.10 seconds.The radius of…

Q: they ask about hours will be 3h?

A:

Q: 90 Btuz Cal

A:

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: A biologist is growing bacteria in the lab. For a certain species of bacteria, she records these…

A: From the provided information, The data values are as follow: 41, 45, 39, 42, 38, 88, 43, 40, 44,…

Q: What is the power of the eye in D when viewing an object 62.9 cm away? (Assume the lens-to-retina…

A:

Q: Everything related Calculate volumes of revolution

A: Solution is given as below:

Q: Calculate the number of kilowatt-hours (kW-hrs) consumed in two days by a 260-Watt incandescent…

A:

Q: A bank pays an interest of 4.5% for a three month term deposit. Calculate the amount that Stokes…

A: Bank pays interest of 4.5%   we have to calculate the amount that Stokes must invest to earn an…

Q: Why is there a need to convert the hours into minutes?

A: The explanation is as follows:

Q: In how many days will $4,500 grow to $4,845.21 at 7% p.a.?

A:

Q: An automobile tire has diameter of 36 inches. How many revolutions will the wheel make as the…

A: First find the circumference of the wheel  2πr=2π362·12=3π feet   Now this 3π is the distance…

Q: , when the temperature of the air is 290 Kelvin, a certain substance cools from 370 Kelvin to 330 K…

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Q: The number of hours needed for the eighth unit to be assembled is hours. (Round to one decimal…

A: Answer:

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

A:

Q: How many real sixth roots dose 64 have

A: There are one sixth roots 64 have. and that is 2. 64^(1/6)=+-2

Q: how many units will be left after 3 days?

A: To find amount of substance left after 3 days. We use the given relation of decay of substance.

Q: 7. A bicycle with 26-inch diameter wheels is travelling at 10 miles per hour. To the nearest whole…

A: Given the diameter of the bicycle= 26 inch So, the radius of the bicycle = 26/2 = 13 inch =…

Q: A boat is travelling due west at a speed of 47miles per hour. If the boat started off 170miles…

A:

Q: calculate the mnean and leave your answer in one decimal place.

A: The data shows the number of dollars of sales per day at a certain bookshop over 40 consecutive…

Q: If a person is paid $490 for 21 hours of work, what is the person's hourly wage? The person's wage…

A: Given:Amount paid to person = $490Number of hours worked = 21 hours

Q: Determine how many bags of popcorn should be produced per hour by each worker. Show how this is…

A:

Q: A strain of bacteria growing on your desktop doubles every 5 minutes. Assuming that you start with 8…

A:

Q: 4. How many revolutions will a car wheel of diameter 30 in, make over a period of half an hour if…

A:

Q: How do you convert 1 picosecond to a decimal?

A:

Q: A wheel makes 30 revolutions per min. How many revolutions does it make per​ second?

A: Number of revolutions in 1 minute =30 That is, number of revolutions in 60 seconds=30 Then, number…

Q: A motor rotates at 1,627 % revolutions per second. How many revolutions will it make in 13/15 of a…

A: It is given that a motor rotates at 1,627% revolutions per second. So, the number of revolutions per…

Q: 445. Mouse populations can double in 8 months (A = 2A0) How long will it take for a mouse population…

A:

Q: How many revolutions will a car wheel of diameter 30 in. make as the car travels a distance of one…

A:

Q: A 4-inch by 6-inch photograph is going to be enlarged by increasing eachside by the same amount. The…

A: Length of photograph = 4 inch Width of photograph = 6 inch Let each side be enlarged by x inch New…

Q: 118km is approximately what in mi.?

A: 1km = 0.621 mile