Density - practice problems
Number of problems found: 278
- A fuel
A fuel tank has 28 gallons of fuel. One gallon of fuel weighs 7 1/10 pounds. How many pounds of fuel is in a full tank?
- Unit rate 2
Which is a lower price per pound. 4 pounds for $1.40 or three pounds for $1.207. show each as a unit rate.
- What power 2
What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours? Comparing the power generated by the pump vs. the power generated by the motor, which is more efficient? Which, the pump or the motor generates the more pollution if fo
- Calculate 73134
The wooden prism weighs 5 kg and has a density of 700 kg / m³. Calculate the volume of the wooden prism.
- Dimensions 69774
Will a car with a load capacity of 3.5 t carry 50 oak planks and dimensions of 30 cm, 4 m, and 30 mm at a time?
- Determine 69154
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 speed of the water from the mouth of the hose is 20 m / s.
- Nina used
Nina used 2 litres of paint to paint a wall. The wall was a rectangle 2 metres high and 4 metres wide. How many litres of paint would she need to paint a rectangular wall which is 2.5 metres high and 8 metres wide?
- Dimensions 67784
Earthenware tiles have dimensions of 20 cm, 20 cm, and 2 cm. The package, in which there are ten pieces of tiles, weighs 20 kg. Determine the density of the stoneware from which the tiles are made.
- Density 67774
The prism, whose base is square / the side of the square is 20 cm / 30 cm high, is made of oak wood, weighs 8.5 kg. What is the density of oak wood?
- Determine 67764
The barrel filled with asphalt has a diameter of 60 cm and a height of 100 cm. The weight of the asphalt in it is 390 kg. Determine the density of the asphalt.
- Container 67524
What is the weight of a package of 12-liter milk cartons, one milk container weighs 80g?
- Measuring 67014
The density of gold is 19200kg / m³. How much does a gold bar measuring 25cm, 8cm, and 37mm weigh?
- Calculate 66974
Calculate the density of the wood from which the statuette is made. Its volume is 32000 cm3, and it weighs 20800 g?
- Kilograms 66864
The sculptor composes an ice city from ice cubes. The cube with an edge length of 2 dm weighs 7.2 kg. How many kilograms is an ice cube with an edge length of 6 dm heavier than it?
- Material 65504
The cube with an edge of 1 cm weighs 0.2 kg. What is the weight of a cube made of the same material with an edge 4 cm long?
- Pipe thickness
The outer circumference of the tube is 32cm. Its length is 60cm, density 8.5g/cm³ and weight 9.495kg. Calculate the wall thickness of the pipe.
- Temperature 61484
The air bubble at the bottom of the lake at a depth of h = 21 m has a radius r1 = 1 cm at a temperature of t1 = 4 ° C. The bubble rises slowly to the surface, its volume increases. Calculate its radius when it reaches the lake's surface, which has a tempe
- Hydrogen 60813
One liter of air weighs 1,299 g, one liter of hydrogen 0.089 8 g. How many times is hydrogen lighter? Round the result to units.
- Wooden prism
Find the weight of a wooden regular triangular prism with a height equal to the perimeter of the base and a figure inscribed in a circle with a radius of 6, M cm, where M is the month of your birth. The density of oak is 680 kg/m³.
- Cube-shaped 57101
The cube-shaped box with a length of 20 dm is filled with sand. What is the weight of sand if 1 m³ of sand weighs 1.5 t?
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