Physical quantity - math word problems - page 292 of 342
Number of problems found: 6831
- Doppler effect
The observer moves away from the source at a speed of 12 m/s. The source produces sound with a frequency of f=475 Hz. What is f2 (frequency of sound perceived by the observer)? v= 340 m/s. - Mixing paint with water
Mr. Adamek will paint. The purchased paint is diluted with water in a ratio of 1:1.5. a) how many parts of water will add to 1 part of the paint b) how many liters of water the mission adds to 2 liters of paint - Blueberries
Five children collect 4 liters of blueberries in 1.5 hours. a) How many minutes do three children take 2 liters of blueberries? b) Eight children will take how many liters of blueberries in 3 hours? - Painters
Ten painters will paint the school in 20 days. How many days do four painters paint the school at the same pace of work? - Interest rate
At what annual interest rate would we get an interest of 60 euros on a deposit of € 6,000 for three months? - Calculate 6193
On a project with a scale of 1:250, the length of the pool is 2.00mm, and the width is 1.00mm. The depth of the pool is 1.5 m. Calculate how many hectoliters of water will fit in the pool. - Travel 27843
The car will travel 73 km in 1 hour. How long will it take to travel 94 km?
- Client
A bank client had €1,320 deposited in her account throughout the year. At the end of the year, €33 in interest was credited to the account. What interest rate was used to determine the principal? - Interest 65494
Martina invested 1,300 euros in the bank, and after a year, the bank credited her with an interest of 26.65 euros. What was this bank's annual interest rate? - Cardholders 21563
Two cardholders will build a tower of cards in 0.5 hours. In how many hours will five such a tower be built? - Indicated 20943
Calculate the actual distance on a map of 2 cities, which is indicated on the map by a line 6 cm long. - Adjustment 20163
Two students adjust the flower bed in 3 hours. How long will this adjustment take for the pupils if they invite four helpers? - Powerful 5189
Three equally powerful pumps drain water from a flooded pit in 7 hours. In how many hours would drain water from a pit of 5 equally powerful pumps - Bratislava 5046
A train will leave Bratislava for Trnava. Five minutes later, the train leaves Trnava for Bratislava at twice the speed. Which train will be closer to Trnava when they meet? - Shelter 3446
The shelter buys a supply of food for 12 dogs for one week. How many days will this supply last if two more dogs are added to the shelter?
- Compound interest 3
After eight years, what is the total amount of a compound interest investment of $25,000 at 3% interest, compounded quarterly? (interest is now a dream - in the year 2019) - A screen
A screen is 1680 x 1050 pixels. What are the coordinates (and size in pixels) of a central area which is exactly 33% of the screen size? - Calculate 66254
Calculate the volume and surface of a regular hexagonal prism with a height v = 2cm and a base edge a = 8cm. - Difference 64924
We get a block if we stack two cubes with an edge of 1dm. What is the difference between the surfaces of this block and the cube? - The base
The base of the quadrilateral prism is a trapezoid with an area of 75 cm square. The prism is 6 cm high. Find the volume of the prism.
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