Unit conversion - practice for 13 year olds - page 3 of 43
Number of problems found: 843
- Cities 81317
The cities are 400 km apart; how many cm is it on a 1:400,000 scale map? - Average 41841
What work do we do if we pull out a 58mm nail with an average force of 350N? - Resistance 18883
A current of 20mA passes through the resistor, which is connected to a voltage of 2.5V. What is the resistance of the resistor? - Centimeters to inches
How many inches are there in 70.32 centimeters when 1 inch equals 2.54 centimeters? Round off your answer to the nearest thousandth place.
- I-beam
If an I-beam is 12'- 6 1/2" long and needs to be cut into four equal sections, how long will each section be? - Two municipalities
The horizontal distance between municipalities is 39 km. The average sinking is 7 per mille. What is the difference in height between these municipalities? - Coulombs
How long does it take for a 15 C charge to cross the conductor's cross-section if a 3mA current passes through the conductor? - Syringe and patient
In 1 ampoule of 2 ml is 15 mg of Dipidol. The patient should receive 10 mg. How much ml do I draw into the syringe? - Street 70104
What length will the 120 m long street have on the plan at a scale of 1:1500?
- Produces 6170
The machine produces 2520 parts in 1 hour. How many will they make in 33 minutes? - Uranium ore
Uranium ore contains 0.2% pure uranium, and pure uranium includes 0.07% fissile uranium. How many grams of fissile uranium has 2800 ton of uranium ore? - Pump
What power does a pump output to move 4853 hl of water to a height of 31 m for 8 hours? - Distance 82240
On a map with a scale of 1:100,000, two lakes are 20 cm apart. What is their distance on a map with a scale of 1:40,000? - Two-hundred-liter 82230
What is the weight of a two-hundred-liter barrel with ethanol if the empty barrel weighs 50 kg?
- Yesterday 79344
Petr played Minecraft for 2 hours yesterday. Pavel played 10% longer. How many minutes did Pavel play? - Marked 43771
The pool is 50 m long and 20 m wide. How will it be marked on the plan on a scale of 1:200? - Apples 3424
57 kg of 3q red apples is dried. How many dried apples do we get from 60 kg of fresh apples? - A book 3
A book that is printed on both sides has 36 pages. If the book is 3/8 cm thick, determine the thickness of one page in cm. - Mains voltage
How much electric current flows through the appliance with a resistance of 40kΩ, connected to the mains voltage (230 V)?
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