Themes, topics - math word problems - page 24 of 174
Number of problems found: 3477
- Wheel peripheral speed
Calculate the peripheral speed of the number on the Wheel of Fortune if the wheel rotates within a period of 0.25 seconds and the number is written 1.5 m from the center of the wheel. - Current thermal energy
How long will it take for a current of 8 A in a resistance of 30 ohms to develop thermal energy of 3 MJ if the efficiency of converting electrical energy into heat is 90%? - Trnava Budapest temperature
In Trnava, it was -6 degrees Celsius; how much was it in Budapest, which was twice as hot.? - Gardening
In the allotment garden, Mr. Strawberry had 16 litres of water in his barrel. His neighbour Mr. Malina had three times more water in his barrel than Mr. Strawberry. It then started to rain, and the same amount of rainwater fell into both barrels. After th - Vehicle distance time
The speed of the moving vehicle is 40 km/h, and it must cover a distance of 1080 meters. How many minutes will it take? - Hydraulic patient lifting
A dentist lifted a patient in a chair by 10 cm using a hydraulic device. The mass of the patient with the chair is 100 kg. a) What force did the dentist have to apply to the small piston, if the ratio of the areas of the large and small pistons is S2/S1=2 - Investment
An investment advisor has at his disposal two types of investments for clients: conservative investment A, which provides an annual return of 8%, and riskier investment B with an annual return of 24%. The client can distribute his investment between the t - Angular velocity
Determine the difference in angular velocities of the clock hands. [rad/s] ω of clock hands =? ω minute hands =? ω second hands =? - Adam had 3
Adam had paper which was so large that several tens of thousands of pieces could be torn from it. First he tore the paper into four pieces. Each of these pieces he took and tore either into four or into ten pieces. In the same way he continued further: ea - Dimensions and area
Determine the actual dimensions of the kitchen and its area if its dimensions on the plan with a scale of 1:200 are 3.5 cm and 4 cm. - Motorcycle acceleration time
Motorcyclist Arnošt begins to move on his motorcycle in a uniformly accelerated motion with an acceleration of 1.6 m/s². At what time will it reach a speed of 50 km/h? What distance will it travel at this time? - Aquarium tube filling
Water flows into an aquarium with dimensions of 14x26x3 m through a tube with a diameter of 5 cm at a speed of 2 m/s. How long does it take for the aquarium to fill with water? - Filip Monika meeting
Philip traveled 15 km from Monica's house to his grandmother's village. Monika can visit him. They meet at the point where the bikes arrive. They both left the house at 9:00. At what time did they meet when Philip was walking at a speed of 19 km/h and Mon - Paver square shifts
Seven pavers would pave the square in 15 shifts. After five shifts, two pavers fell ill. How long will it take for the remaining pavers to finish the job? - Truck sand transport
It should have taken four trucks 6 hours and 45 minutes to bring the sand to the construction site. After 90 minutes, one car broke down. How long did it take to transport the remaining sand in three trucks? - Amazon river length
The longest Brazilian river, the Amazon, is ten times longer than the two Czech rivers, Vltava and Berounka. The ratio of the lengths of the Vltava and Berounka is 9:5. At the same time, the length ratio of the Vltava and Morava rivers is 5:4. How many ki - Sailor food supply
Food for 56 sailors would last 32 days. How long did the food supplies last the expedition if 14 castaways were taken on board after 12 days of sailing? - Logger field clearing
Fifteen loggers would take 12 days to clear a large field. How many days did this work require, if 5 more woodcutters were transferred to them after 4 days of work? - Mason house addition 8 masons build a house in 630 days. How many masons must we add after 150 days to complete the whole house in 320 days?
- Grinder workshop production
Five grinders grind 120 products in 12 hours. After 4 hours of work, another 11 grinders were reassigned to the workshop. Will he complete the entire job in 6 hours?
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