Physical quantities - math word problems - page 251 of 298
Number of problems found: 5952
- The cube
The surface of the cube is 150 square centimeters. Calculate: a- the area of its walls b - the length of its edges c - its volume - Funnel
The funnel has the shape of an equilateral cone. Calculate the surface wetted with water if we poured into the funnel 8.1 liters of water. - Surface area 8
What is the surface area of a cylinder if the diameter is 15 m height is 7 m? - Block wall painting
We color a wooden block with dimensions a = 4 cm, b = 3 cm, c = 2 cm and then cut it into cubes of 1 cm³. How many cats will she have? a) just one wall painted b) just two walls stained c) just three walls painted d) no painted wall? - Journey
Charles and Eve stand in front of their house. Charles walks south to school at 5.4 km/h, and Eve cycles east to the shop at 21.6 km/h. How far apart are they after 10 minutes? - Afforestation workers
During afforestation, two workers planted 80 seedlings in 2 hours. At the same output, how many seedlings did 6 workers plant in 5 hours? - Deposit interest growth
How much will the deposit grow at an interest rate of 10% p.d. a. for 72 days by €6? - Map scale distance
The map has a scale of 1:2500000, and we measured a distance of 4 cm on the map. What is the distance in km? - Six identical
Six identical compressors inflate 180 balloons in one hour. How many balloons inflate one compressor in 10 minutes? - Iodine solution preparation
Calculate how many grams of iodine and ethanol are needed to prepare 200 grams of 6% iodine in ethanol solution. - Plate dimension
The dimensions of the rectangular plate on the plan were 8 and 6 cm. The actual plexiglass plate was 7:2 to the plan. What were the exact dimensions of the plate? - 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? - Geometric plan
At what scale is the building plan if one side of the building is 45 m long and 12 mm long on a plan? - The position
The displacement function S=t³-2t²-4t-8 gives the position of a body at any time t. Find its acceleration at each instant time when the velocity is zero. - Fruit harvest
Five workers harvested fruit in 150 hours. How many temporary workers have to work to harvest fruit in 250 hours? - Cake duration
Four children eat ten cakes in 30 minutes. How many minutes will it take nine children to eat 27 cakes? - Lawn mowing
A father and son mow the lawn in 3 hours. How much would a father do on his own if they both cut just as fast? - Mixer work
What was the useful work output of a mixer with an efficiency of 30% if it consumed 4.5 kWh of energy? - Tree planting
Twenty students will plant 1,200 trees in 4 hours. How many students do you need to plant 2100 trees in 3 hours at the same performance? - Runner 2
Marian runs 12 meters in 8 seconds. How far would Marian run for 70 seconds if he still runs at the same pace?
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