Themes, topics - math word problems - page 42 of 167
Number of problems found: 3330
- Improvements 70344
Two workers work equally efficiently and together can complete a given task in 5 hours. One worker improved his machine, changed his workflow, and increased his output by 40%. How long will it take both workers to complete the given task? - Directions 70274
Two runners train on a circular track that is 375 m long. When they start from the same place and run in opposite directions, they meet in 30 seconds. When they run in the same direction, they are 15 m apart in 30 seconds. What is the average speed of eac - A cyclist
A cyclist rides for 30 minutes on a style road to the top of a mountain. Down there, the road goes downhill. Its uphill speed is 20km/h and 60km/h downhill. The distance from the mountain's summit to its destination is 30 km. Calculate the average speed o - Distribute 70244
We have to distribute the keys to the safe among four people so that no two of them can open the safe but in such a way that any three can open the safe. How many minimum keys do we need? How to divide them? How many minimum locks must be on the safe? All - Coefficient 70214
An 80 kg cart moving at constant speed along a horizontal road is subjected to a pulling force of 120 N. Specify: a) the magnitude of the frictional force b) the value of the coefficient of shear friction. - A BICYCLIST A BICYCLIST traveled for T=1.9 hours at a constant R = 32 km/hr speed. Find distance traveled.
- Huddersfield 70164
Prague's direct distance to Huddersfield (United Kingdom) is 1680km. What is the map's scale, at which this distance is 84 cm?
- Penny free fall
A man drops a penny from the top of a 500m tall building. After t seconds, the penny has fallen a distance of s meters, where s(t)=500-5t². Determine the average velocity between 1s and 5s. - Street 70104
What length will the 120 m long street have on the plan at a scale of 1:1500? - Expressed 70094
The air distance between the cottages on the same shore of the lake, 2.7 km, is the distance expressed by a line length of 36 mm. Find the scale of the map. - Distance 70084
On a tourist map with a scale of 1:50 000, the distance between Štrbské Pleso and Štrba is 14 cm. What is the actual distance? - Sidewalk 70074
The sidewalk is 500m long. How will it be marked on the plan on a scale of 1:200? - Together 70014
Matej and Anton are 44 years old together. Matej is twice as old as Anton was when Matej was half as old as Anton will be when Anton is 3 times older than Matej was when Matej was 3 times as old as Anton. - The temperature 28
The temperature rose 14°C in 3 1/2 hours. At what rate, in degrees per hour, did the temperature rise? - Lightning 69734
The sound travels at a speed of 1km in 3 seconds. If the thunder is heard 12 seconds after the lightning, what distance is the storm?
- Percentage 69704
Katka had € 660 in the bank, for which she received interest of € 33 at the end of the year. What percentage was the interest? - Increases 69454
The car weighs 1850 kg and increases its speed from 27 to 81 km/h. How much has its kinetic energy increased? - Starting
The aircraft has a take-off speed of 310 km/h, a take-off weight of 16.5 t, and is taking off on a 2 km take-off runway. The flight speed is 880hm/h, the flight altitude is 10 km. a) Determine the acceleration of the aircraft during takeoff and the takeof - Difference 69354 An airplane flies at a speed of 920 km/h at an altitude of 11 km above the surface of the Earth, where the air density is p = 0.36 kg/m³. Determine the pressure difference above and below the plane's wing if the top of the plane is 10% longer than the bot
- Power during takeoff
The aircraft weighing 3.5 tons will disembark 1 km in 1 minute after takeoff and reach a speed of 290 km/h. Find the average power of its engines during this time.
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