Mass - math word problems - page 35 of 79

Number of problems found: 1571

Sand pile
Calculate the volume and weight of a pile of cone-shaped sand with a diameter of 8 m and a height of v = 4.5 m; the density of sand is 1500 kg/M cubic.
The bath
The bath has water with a volume of 220 l and a temperature of 65 °C. Find the mass m₂ of water at 15 °C to be poured, so the resulting temperature in the bath will be 40 °C. We neglect the heat exchange between water and the environment. Water
Volunteers
Volunteers helped clean up 8.2 kg of trash in one neighborhood and 11 1/2 kg in another. They sent 2 3/5 kg to be recycled and threw the rest away. How many kilograms of trash did they throw away?
The granite ball
What is the weight of a granite ball with a radius of 60 cm if 1 m³ of granite weighs 2.7 tons?
Ten apples
The average weight of ten apples is 200 g. How does the average weight of apples change if we eat one apple weighing 129 g?
Six hens
Six hens weigh 3 kg more than three geese and 7 kg less than five geese. How much does a hen weigh, and how many geese?
Cereals
Ari and Joey share a 30-ounce box of cereal. By the end of the week, Ari had eaten 3/10 of the box, and Joey had eaten 3/5 of the box of cereal. How many ounces are left in the box?
Petra
Petra has 2 2/5 bags of premium cat food. Her cat eats 2/95 of a bag per day. How many weeks will the food last if the cat eats the same amount every day?
On Friday
On Friday, Amanda bought 5 ⅙ kg of dog food. She used 1 ¼ kg of it on her dog Gunner and 2 ½ kg of it on her dog Connor. How many kilograms of dog food did Amanda have left?
Julian
Julian picks 1 ⅗ kg fewer blueberries in the morning than in the afternoon. If Julian picked 3 ⅛ kg in the morning, How many kilograms of blueberries does he pick in the afternoon?
Camping trip
A group of friends on a camping trip has 3 2/5 lb of trail mix. They divide it up evenly among themselves. Each person gets 1/5 lb of the trail mix. How many friends are on the camping trip?
Elevator potential energy
The elevator cabin weighing 720 kg goes from the ground floor to the top floor of the building, at 125 m. How much potential energy does the elevator cabin have on the top floor of the building - at the height of 125 m?
Concrete ring
The concrete ring (used for reinforcement in wells) has an inner diameter of 800 mm and an outer diameter of 900 mm. It is made of concrete with a density of 2,500 kg/m³. Its height is 1 m. Calculate its mass.
Machine car
Eighty machines weighing 18 kg were loaded per car. How many machines weighing 15 kg will one car take? If the total load mass is to be the same.
How many 11
How many 0.75-pound packages can you make with 6 pounds of sunflower seeds?
Miligrams of vitamins
15.38 mg of vitamin C/oz. How much is vitamin C in an orange that weighs 635 oz?
Radiators
Calculate the radiator output if it has a thermal gradient (difference between inlet water and return temperatures) a) 5 °C b) 10 °C c) 15 °C d) 20 °C A heating water volume flow is 45 kg/h. How fast the water flows from the supply pipe to the radiator e)
Cage gravitational energy
Find the potential gravitational energy of a 2000 kg tow cage relative to the bottom of an 850 m deep draw pit when the cage is on the surface.
G Force, mass
A car with a weight of 20 kN travels at a speed of 54 km/h. What is its kinetic energy?
A supermarket
A supermarket has 3 7/8 pounds of tangerines. Kelsey buys 1/2 of all the tangerines in the supermarket. How many pounds of tangerines did Kelsey buy?

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