Mass + area - practice problems
Number of problems found: 122
- Colza
The agricultural cooperative harvested 525 ares of colza, which received 5.6 tons of seeds. Calculate the yield per hectare. - A gravel
4 1/8 tons of gravel is spread evenly across 2 1/6 acres. How many tons of gravel are on each acre? - Hydrostatic 80798
Calculate the depth of water at which the hydrostatic pressure is equal to 100870 N/m². We only consider hydrostatic pressure. - Hectares 31661
Express the yield per hectare of sugar beet when you know that we can harvest 20 tons of sugar from 20 hectares of fields. - The dough 2
A baker made 8 pounds of dough. He used 5/9 of the dough to make sandwich rolls. How much of the dough is left over? - Water reservoir
What is the weight of a metal reservoir - cylinder with a diameter of 2 m and a length of 8 m if 1 m² of sheet metal weighs 100 kg? - Centimeters 61934
How much pressure on the rails will cause an empty truck weighing 20 tons if the contact area of all wheels and rails is 16 square centimeters? - Measuring 22473
0.9 kg of paint is needed to paint a fence measuring 1.2 m x 9.6 m. How much paint will be required to paint a fence measuring 1.6m x 18m? - Pyramid of Giza
The Great Pyramid of Giza has the shape of a regular quadrangular pyramid. The base edge is 227 m long, and the pyramid is 140 m high. What is the weight of the stone needed to build this pyramid if the weight of 1 m³ of stone is 2.5 t? - Iron ball
The iron ball weighs 100 kilograms. Calculate the volume, radius, and surface if the iron's density is h = 7.6g/cm³. - Sphere
The sphere's surface is 12100 cm², and the weight is 136 kg. What is its density? - Copper sheet
The copper plate has a length of 2.2 m, width 92 cm, and weighs 5.6 kg. What is the plate thickness if 1 m³ weighs 8732 kg? - Calculate 30391
Calculate a sphere's surface area and weight if its volume is 707.54 cm³ and if it is made of a material with a density of 7.8 g / cm³. - Bent scale
Monica weighed 52 kg. Sara 54 kg. Together they weighed 111 kg. They noticed that the needle on the scale was bent. How much did they really weigh? - Centimeters 6366
The weight of the pupil and the chair is 52 kg. The area of the contact surfaces of the chair with the floor is 12 square centimeters. What pressure does the chair put on the floor? - Potatoes
When planting potatoes, 3 500 kg of seeds are consumed per 1 ha. Calculate the seed weight needed for fitting a square area with a side length of 325 meters. - Kilos of meat
Marry bought 6 1/3 kg of meat. Anita used 2 1/4 kilograms, Maros 2 1/8 kg, and the rest, Adam. How many kilograms of meat did she use for Adam? - Physics - pressure
Find the pressure exerted by a crawler tractor of mass 30 t standing on a flat road if the area of the contact surface of the belts with the ground is 6 m square. - Eight-square 29951
How many g of grass seed do we have to buy in the eight-square garden with a side of 20 m if we need 100 g of seed per 8 m²? - Square-shaped 14271
We should sow grass in a square-shaped garden with a side of 16.2 m. How many kg of grass seed do we need? One square meter is necessary for 25 grams.
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