Mass - math word problems - page 24 of 79
Number of problems found: 1571
- Wooden 3
A wooden board 2.5 m long has a cross-section in the shape of a right-angled trapezoid whose parallel sides are 1.2 dm and 8 cm long. The height of the trapezoid is 3 cm. Calculate: a) the surface area of the board, to determine the amount of stain needed - Car kinetic energy
The car weighs 1850 kg and increases its speed from 27 to 81 km/h. How much has its kinetic energy increased? - Airplane wing pressure
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. - Swing balance lever
Two children with different weights sit on the swing, a lever with your shoulders. On the left side sits a child with a capacity of 30 kg, and on the right, a child with a capacity of 20 kg. One swing arm is 150 cm long. How would you seat the children so - Pump power
Determine the pump power if: I pour 3 m³ of water from the tank in 120 seconds with a hose. The height of the hose mouth above the tank is 1.5 m. The water's speed from the hose outlet is 20 m/s. - Aircraft engine work The aircraft weighs 61 tons. It climbed from a height of 1000 m to a height of 3000 m while increasing the speed from 170 m/s to 210 m/s. What work did the aircraft engines do?
- A landscaper 2
A landscaper has 1/8 ton of dirt. She distributes it equally across two plots of land. What fraction of the dirt does each plot get? - Susan 2
Susan packed some sugar into small and large packets. The total mass of 4 large packets and 3 small packets is 43 kg. Each large packet is 2 kg heavier than each small packet. What is the mass of one large packet? - Apple average weight
The basket contains five red apples with an average weight of 125 grams and one yellow apple. The average weight of all apples in a basket is 120 grams. Determine the weight of the yellow apple in grams. - Paper collection
A class with m pupils agreed that each pupil would collect k kilograms of paper. Before the collection began, one pupil moved away and did not hand over any paper. o In dependence on the quantities k, m express: a) how many kilograms of paper each pupil h - Peach crate division
The orchard collected 294 kg of peaches and divided them into 42 crates. How many kilograms of peaches were in one crate? - Bucket
Kim and Joey share a 30-ounce bucket of clay. By the end of the week, Kim has used 3/10 of the bucket. Joey has used 3/5 of the bucket of clay. How many ounces are left in the bucket? - Beef burger resources
In the meat atlas published by the Jindřich Boll Foundation, it is stated that one kilogram of meat requires 6.5 kg of grain, 36 kg of feed mixture, and 15 cubic meters of water. Laura's slice of beef in the burger weighed 45 grams raw. How many kilograms - Potato warehouses
The company Vysočina has two potato warehouses. In the first warehouse there are three times more potatoes than in the second. From the first warehouse, half of the stored amount of potatoes was taken away, and there remained 90 tonnes of potatoes more th - Clearance - vacation The Sobotka family checked their suitcases before leaving on holiday. Their four suitcases had weights in the ratio 3:4:5:8. The total weight of all four suitcases was 60 kg. The maximum allowed weight per piece of luggage is 25 kg. a) Calculate the weigh
- Orange workshop workers
Thirty-two tons of oranges are processed in eight workshops with 40 employees each. How many workers process 9 tons of oranges in 9 workshops? - Mr. Fish
Mr. Fish paid 1,080 CZK for three Christmas carp. The difference in weight between the first and second carp, and between the second and third carp, was exactly 80 dag in each case. The price of 1 kg of live carp was 120 CZK. a) Calculate the weight of ea - From peanuts
From peanuts priced at 160 CZK/kg and almonds priced at 200 CZK/kg, 20 kg of a nut mixture priced at 190 CZK/kg is to be prepared. The price of the mixture is determined by the ratio in which the nuts are mixed. a) Determine how many kilograms of each typ - Alloy Cu+Pb
An alloy of copper and lead is a mixture of these metals in a ratio of 5:2 (respectively). Calculate in kg how much a piece of this alloy weighs if it contains just 150 kg less lead than copper.
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