Physical quantity - math word problems - page 220 of 346
Number of problems found: 6904
- Molar weight
Calculate the weight of 2.00 moles of common salt (NaCl) in grams. M (NaCl) = 58.44 g/mol. - Transmission of electricity
The electric field performs work 1610 J in the transmission of electric charge of 7 Coulombs between the heating coil terminals. Calculate the voltage between the terminals. - The car
The car travels at a speed of 70 km/h. What distance will it travel in 2 hours? - Resistance of the resistor
The resistor terminals have a voltage of 20 V, and a current of 5 mA is passed through. What is the resistance of the resistor? - Strawberries - pulp
Marta and Alice bought their children strawberries. They ate most of them, each making pulp from the remaining strawberries. Marta filled her entire cube-shaped container with dimensions 5.2cm, 1dm, and 8.3cm; Alice had a cube-shaped container with an edg - The Nürburgring
The Nürburgring in Germany is a racetrack that hosts racing events all year. Two of the fastest laps ever driven on the track are 6 minutes 47.30 seconds and 6 minutes 52.01 seconds. How much faster is the 6 minutes 47.30 seconds than the 6 minutes 52.01 - Inelastic/plastic 81907
Two inelastic/plastic balls move towards each other with equal velocities of 2 m/s. The weight of one ball is 3kg, the other 1kg. Determine the speed of the balls after the collision and the loss of kinetic energy. - Temperature 71534
In the morning, they measured the temperature at 5.7 degrees Celsius. What will the temperature be when: A) warms by 6.3 degrees Celsius B) cools by 0.9 degrees Celsius C) cools down by 9 degrees Celsius and immediately warms up by 18.8 degrees Celsius D) - Measuring 36483
Dominik teaches his kitten to go to the cat toilet for litter. He needs to fill the toilet halfway, but he needs to know how many bales of litter to buy. Please advise him if you know that the toilet has a bottom measuring 0.43 m and 3.5 dm and is 11 cm d - Sides of a rectangle
The dimensions of a rectangle are in a 4:12 ratio. If the shorter side length is 12 cm, what is the length of the longer side in centimeters? - Table - tablecloth
Mrs. Vránová has a square table with a side length of 110 centimeters. She wants to have a square tablecloth sewn on it so that its corners extend beyond the edges of the table by 25 centimeters. What dimensions should the tablecloth have? - Described circle to rectangle
The rectangle with 6 cm and 4 cm sides was a circumscribed circle. What part of the circle area determined by the circumscribed circle occupies a rectangle? Express in perctentages(%). - Two aircraft
From the airport will start simultaneously two planes, whose flight tracks are perpendicular to each other. The first flying speed of 680 km/h and the second 840 km/h. Calculate how far the aircraft will fly for half an hour. - Sidewalk 70074
The sidewalk is 500m long. How will it be marked on the plan on a scale of 1:200? - Technical 55751
The technical drawing shows the product on a 5:2 scale. Determine the length of the product if it measures 12 cm in the picture. - Volume 32761
What is the volume of 320 kg of ice floes in liters? - Wavelength
Calculate the wavelength of the tone frequency 4 kHz if the sound travels at speeds of 343 m/s. - Mike chose
Mike chose four identical cubes, three identical prisms, and two identical cylinders from the kit. The edge of the cube is 3 cm long. The prism has two dimensions, the same as the cube. Its third dimension is two times longer. The diameter of the base of - The water tank
The water tank has the shape of a sphere with a radius of 2 m. How many liters of water will fit in the tank? How many kilograms of paint do we need to paint the tank if we paint with 1 kg of paint 10 m²? - Dort
The cube-shaped cube box has dimensions of 30 cm × 30 cm × 12 cm. How many CZK (Czech crowns) would it cost to be the biggest cake that would fit into the box when a 10 cm³ cake costs CZK 0.5? The cake has the same shape as the box.
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