Physical quantities - math word problems - page 252 of 298
Number of problems found: 5956
- Lawn mowing
A father and son mow the lawn in 3 hours. How much would a father do on his own if they both cut just as fast? - Mixer work
What was the useful work output of a mixer with an efficiency of 30% if it consumed 4.5 kWh of energy? - Tree planting
Twenty students will plant 1,200 trees in 4 hours. How many students do you need to plant 2100 trees in 3 hours at the same performance? - Runner 2
Marian runs 12 meters in 8 seconds. How far would Marian run for 70 seconds if he still runs at the same pace? - The sidewalk
The sidewalk is 50 m long. On a scale of 1:200, what will the length of the plot plan be? - Cows
Four cows spent 16 bags of hay in 5 days. How many bags of hay sacks are needed for five cows for seven days? - Metal alloy
What is the metal ratio in the alloy in the 50 tonnes of steel to 30 kg nickel? - Class
In the 7 C class, there are ten girls and 20 boys. Yesterday, 20% of girls and 50% of boys were absent. What percentage of students were absent? - Calculate cone - r,h
A rotation cone with a radius of 24 cm and a height of 36 cm is given. Calculate the surface area and volume. - Cube surface area
What is the largest surface area of a square glued together from 12 identical cubes with an edge length of 1 cm? - Cube wall diagonal
Calculate the length of the wall and body diagonal in a cube with an edge of 60 cm. - Pyramid surface volume
A quadrilateral pyramid has a square base 4 cm long, the height of the pyramid 5 cm, and the height of the wall 5.4 cm. Find the surface and volume of a quadrilateral pyramid. - Three-quarters of a tank
The oil tank is shaped like a cylinder with a height of 8 m and a diameter of 4 m. It is three-quarters full. How much oil is in it? - Cone area and side
Calculate a rotating cone's surface area and volume with a height of 1.25 dm and 17,8 dm side. - Cube edge
The block volume is 512 dm³. How long is the edge of a cube with the same volume as a block? - Surface of the cylinder
Calculate the cylinder's surface area when its volume is 45 l, and the base's perimeter is three times the height. - Vector
Calculate the length of the vector v = (2.5, -0.25, -3.75, -2.25). - Cube surface
Calculate the surface of a cube whose edge measures 8 dm. - Scooter distance directions
Kate and John set out on their scooters at the same time. Kate rode at a speed of 4.5 km/30 min, and John rode at a speed of 4 km/20 min. a) How many meters did they travel in 2 minutes if they went in opposite directions? b) How far apart were they when - Paratrooper
After the parachute is opened, the paratrooper drops to the ground at a constant speed of 2 m/s, with the sidewinding at a steady speed of 1.5 m/s. Find: a) the magnitude of its resulting velocity concerning the ground, b) the distance of his land from a
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