Physical quantity - math word problems - page 307 of 342
Number of problems found: 6827
- Cyclist
A cyclist passes 95 km in 5 hours. How many kilometers did he pass in 8 hours? - Carbon dioxide
Calculate how many grams of oxygen are in 59 grams of carbon dioxide CO2. The relative atomic mass of oxygen is 16, and of carbon is 12. - Two sigma
Khail took his math test and scored 88. If the class average was 78 with a standard deviation of 5, what percent of students earned a higher grade than Khail's grade? - Mass point
Two equal forces of 30 Newtons act on a mass point. Find the magnitude of the resultant force if these forces form an angle of 42°. - Remaining 3195
A cyclist covered a track of 40m in 5s. The first section of the 30m track was covered in 3s; the remaining section was covered in 2s. Specify: a) the average speed of the cyclist on the first section of the track b) the average speed of the cyclist on th - Machine 81767
Four lathes machine 32 parts in 1 hour. How many parts does 1 turner machine have in 2 hours? - Efficiency 4072
What kind of work did the mixer with an efficiency of 30% do when it did 4.5 kWh of work?
- Dimensions 60943
We will reduce one edge of the block with dimensions of 2cm, 4cm, and 6cm by 20%. How does the volume of a block change? What percentage? - Volume and body diagonal
Calculate how much the cuboid's volume and body diagonal decrease if we reduce each of its three edges, a, b, and c, by 18%. - Prism-shaped 6137
The prism-shaped vessel with a rhomboid base has one base diagonal of 10 cm and the edge of the base 14 cm. The edge of the base and the prism height are in a ratio of 2:5. How many liters of water is in the container when it is filled to four-fifths of t - Map scale
The garden's plan shows a scale of 1:150, a width of 22 cm, and a length of 35 cm. What is its real area? - Salt solution
Calculate the weight of a 50% salt solution we prepare from 120 g of salt. - Fast tourists
If three tourists pass the route in 5 hours, how long will the same route take six equally fast tourists? - Chocolate bar
Shen's chocolate bar is 54% cocoa. If the weight of the chocolate bar is 54 grams, how many grams of cocoa does it contain? Round your answer to the nearest tenth. - Kilometers in the city
If the city is far from the city and is 15 kilometers long, and the scale of the map is 1:300000, what is the distance on the map?
- Pedestrian 40151
The pedestrian will drive 5 km in 1 hour The car will travel 90 km in 1 hour How many times is a pedestrian slower than a car? - Seven workers
Seven workers clear the glade in 22 hours. How many workers would be needed to complete the task in 8 hours? - Calculate 7483
Calculate the interest and rum (APR, annual interest rate) is 2.5% and the principal 50,000. - The conical roof
The conical roof above the warehouse has a diameter of the lower part (base) d = 11.2 m and a height v = 3.3 m. How many rectangular steel plates with dimensions of 1.4 m and 0.9 m were needed to produce this roof if the seams and waste required an increa - Masquerade ball
Marie wants to make a cone-shaped witch's hat for a masquerade ball. How much material will it need if it counts on an annular rim with diameters of 28cm and 44cm? The hat side length is 30cm. Add 5% of the material to the bust. Round to cm².
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