Physical quantity - math word problems - page 283 of 342
Number of problems found: 6824
- Calculate S,V
Calculate the volume and surface area of the sphere if given r = 36mm. - Kinetic energy
A car traveling at a speed of 25 km/h increased the speed to a) 75 km/h b) 100 km/h when exiting the highway. How many times has its kinetic energy increased? - Pumps
After the floods, four equally powerful pumps exhausted water from the flooded cellar in 6 hours. How many hours would it take to drain out with three equally powerful pumps? - Troops - soldiers
Food stocks will last 20 soldiers during the four-day training. If four soldiers become sick, how many days could they extend training? - Cube-shaped 77974
How much shelf space does a cube-shaped aquarium take up if it holds 27 liters of water? - Perimeter 64974
The prism has a square base with an edge 5 cm long and 20 cm high. Calculate it: (a) the area of the base b) the perimeter of the base c) volume d) surface - Body diagonal
Calculate the surface area, volume, and length of the body diagonal of a cube with an edge length of 4 dm.
- Electrical 82513
How long will it take for a current of 8A in a resistance of 30 ohms to develop thermal energy of 3 MJ if the efficiency of converting electrical energy into heat is 90%? - Earnings 20763
Two workers worked on a joint task: One worked 36 hours and the other 40 hours. Earnings of 11400 are divided by the ratio of hours worked. How much did everyone get? - A lot of hay
Martin's grandfather weighed a lot of hay and calculated that it would last 100 days for 15 rabbits. How many days will this lot be enough for 25 rabbits? - Strawberries 16473
On the farm, twelve part-timers planned to harvest a crop of strawberries in 5 days. On the fifth day in the weather forecast, they reported rain. How many part-timers will they need to harvest the strawberries in four days? - Part-time 6476
Specify x - the number of hours if Three part-time workers, 5 hours a day, plant 900 trees. How many hours a day do two part-time workers have to work to plant 480 trees? - Contains 6176
Does the yeast cake contain milk, yeast, sugar, and flour in a ratio of 20:4:1:15. How much sugar do we need to make 160 kg of yeast? - Kilometers 5596
Our Octavia consumes 9 liters of gasoline per 100 kilometers. A liter of gasoline costs the euro. What expression expresses the price of petrol needed for 1 kilometer? - Beginning 4820
Karel saved SKK 12,000 in the savings bank at the beginning of the year. At the end of the year, the savings bank credited him with SKK 1,680. At what annual interest rate did Karel have the deposit in the savings bank?
- Hexagonal 29141
Calculate the volume and surface of a regular hexagonal prism with a base edge a = 30 m and a side edge b = 50 m. - Surface of pyramid
A regular quadrilateral pyramid has the height of the sidewall equal to the length of the edge of the base. The area of the sidewall is 32 cm². What is the surface of the pyramid? - Two-dimensional 36453
Two of its inhabitants stand at one point in the land of two-dimensional beings. Suddenly, they both start running at the same moment. Resident A runs north at 5m/s, and resident B runs east at 12m/s. Calculate how fast they are moving away from each othe - Performance 45861
The electric motor with a power input of 25 kW works with an efficiency of 80 percent. He will do the work in 6 hours. What is the performance, and what part of the work is the loss? - Accepted 3423
The material for 83 masons of the company is enough for 12 days. How many days will this supply be enough for them if the company has accepted six more masons?
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