Density - math word problems - page 10 of 21
Number of problems found: 407
- Brick wall
What is the weight of a solid brick wall that is 30 cm wide, 4 m long, and 2 m high? The density of the brick is 1500 kg per cubic meter. - Dead Sea water
When Vera visited the Dead Sea, she took a bowl with sand, pebbles, and water from the sea as a souvenir. The water in the bowl weighed 400 g. How many deciliters of water did she carry away from the sea? The density of salt water in the Dead Sea is 1.240 - The body
The body has a volume of 15 cubic centimeters and a weight of 117 grams. What is the density? - Gold weight calculation
How many kg weighs 1 m³ of gold? Au gold density is 19.3 kg · dm − 3 - Calculate sphere
Calculate the surface area and mass of a sphere whose volume is 707.54 cm³, made of a material with a density of 7.8 g/cm³. - Hydrostatic pressure
Please calculate according to Pascal's law. Calculate the hydrostatic pressure at a depth of 300 m below sea level if the density of seawater is approximately 1025 kg per m³. At what depth below the surface is the hydrostatic pressure 4.5 MPa? - Grass seed calculation
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? - Kerosene tank force
Please calculate according to Pascal's law. Kerosene in a block-shaped metal tank reaches a height of 180 cm. Calculate the force acting on the bottom with dimensions of 1.5 m and 3 m if the density of kerosene is 820 kg per M3. - Brass sphere
Find the weight of a brass ball with an outer radius of 12 cm and a wall thickness of 20 mm if the brass's density is 8.5 g/cm³. - Natural fertilizer
The gardener fertilized the rectangular garden measuring 120 m and 60 m with 16 kg of natural fertilizer. Natural fertilizer contains 45% organic matter. How much organic matter falls on 1 m² of the garden? - Copper wire
What is the mass of 500 m of copper wire with a diameter of 1 mm if ρ = 8.9 g/cm³? - Water reservoir
What is the mass of a metal cylinder-shaped reservoir with a diameter of 2 m and a length of 8 m, if 1 m² of sheet metal weighs 100 kg? - Weight
The kilogram weight has a volume of 116 ml. From which material is it probably made? Use substance density tables, e. G. mathematical-physical-chemical tables. - Pyramid weight calculation
Calculate the weight of a regular quadrilateral pyramid with a base edge of 4 cm in length and a body height of 6 cm if it is made of a material density of 8 g/cm³. - Clades - cylinder
What is the weight of twenty spruce clades (cylinder shape), which have a diameter of 30 cm and are 4 m long? - Bronze ball weight
One cubic decimeter of bronze weighs approximately 8.7 kg. Find the ball's weight (diameter 32 cm), and round the result to kilograms. - Hydrogen peroxide dilution
We need a 4% solution of H2O2 (hydrogen peroxide) for the disinfection solution. We only have a 40% solution available. How much water must we add to 100 ml of the original solution to obtain the desired concentration? - Flowerbed stone calculation
The gardener filled the flowerbed with crushed stone in the shape of an equilateral triangle with an 8-m-long side. If 25 kg of crumb was consumed per 1 m² of the area, how much crumb was used for the whole flower bed? - Triple density
How many times does the density of a steel pipe increase if we triple its length? - Concrete hatch
The concrete hatch for a round well has a diameter of 1300 mm and a thickness of 80 mm. Determine its weight in kg if the density of the concrete is 2545 kg/m3
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