Physical quantities - math word problems - page 165 of 298
Number of problems found: 5952
- Three segments
The circle is divided into three segments. Segment A occupies 1/4 of the area. Segment B occupies 1/3 of the area. What part is occupied by section C? In what proportion are areas A: B: C? - Rectangles
How many different rectangles with sides integers (in mm) have a perimeter of exactly 1000 cm? (a rectangle with sides of 50 cm and 450 cm is considered to be the same as a rectangle with sides of 450 cm and 50 cm) - Pine Seedlings per Area
A forest nursery needs an area of 1.25 square meters per pine seedling. How many pine seedlings are planted in an area of 9 acres? - Cake Icing Area Left
We baked a cake with a diameter of 26 cm. We watered it with icing. The dog licked 45% of the icing. What area did we have left? - Land Area from Map
What is the land area in reality if 1 cm² occupies a 1:20000 scale map? - Map scale
On a 1:1000 scale map is a rectangular land of 4.2 cm and 5.8 cm. What is the area of this land in square meters? - Masons
One bricklayer lays 30.8 m² of masonry in 8 hours. How long will it take four bricklayers to lay 178 m²? - Spiral - iron
An electric iron is connected to a 230 V power source. Its heating element has an electrical resistance of 100 ohms. Calculate the power of the iron and the electric current flowing through the element. - Heat for Phase Change
How much heat is needed to turn 1 kg of ice at a temperature of -10℃ into steam at a temperature of 100℃? - Airplane mechanical energy
An airplane weighing 100 tons flies at an altitude of 11 km at a speed of 850 km/h. What is its kinetic, potential, and total mechanical energy? - Body kinetic work
What work must be done to bring a body of mass of 2 kg lying on a smooth horizontal plane from rest to a speed of 2 m/s? - Cannon sound speed
A cannon fired at a distance of 2720 m from the observer. The sound of the shot was heard by the observer 8 seconds after the flash. Calculate the speed of sound propagation in the air if we assume that the observer saw the flash at the same time as the s - Electric charge
The electric current in a microprocessor circuit is 0.230 μA. How many coulombs pass a given point in the circuit in 1.50 ms? - The truck
What is the mass of a ten-wheeler truck if it has reached a momentum of 567 kg.m/s while it moves at 40 m/s? - Tunnel passage time
The Branisko tunnel has a length of 4975 m. How long will a car pass through the tunnel if the speed limit is 80 km/h? - Body energy
A body weighing 2 kg falls from a height of 45 m in a free fall. What will be its potential energy and total mechanical energy after 2 s from the beginning of the movement? - Car acceleration runway
The car reaches a steady acceleration in 24 seconds from a standstill speed of 100 km/h. What runways will he reach on departure? - Electric field intensity
What is the intensity of the electric field at a point that lies in the middle between two point charges Q1 = 5.10-5 C and Q2 = 7.10-5 C, which is separated by r = 20 cm? The charges are placed in a vacuum. - Energy consumption
The device is connected to 230 V and draws a 3.5 A current. Power consumption is 1932 kJ. How many minutes has this device been in operation? - Martha
Martha likes to walk in the park, which is square, 7/10 mi on each side. One morning, Martha walked around the entire park 3 1/2 times before stopping to rest. How far had she walked?
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