Physical quantities - math word problems - page 174 of 298
Number of problems found: 5952
- Pool water flow
Five hundred liters of water will flow into the pool in 5 minutes, and 120 liters of water will flow out of it in 12 minutes. How many liters of water will be added in 1 hour? - Aluminum resistance temperature
The aluminum coil line has a resistance of 4.6 Ohm at an elevated temperature of 64 °C. At what base temperature will the resistance be 2 ohms? - Prague Huddersfield scale
Prague's direct distance to Huddersfield (United Kingdom) is 1680 km. What is the map's scale, at which this distance is 84 cm? - Map scale
Calculate the following example: On a map with a scale of 1:50,000, two places, A and B, are 4 cm apart. Find out: a) what is the distance between these places in reality; b) what is the scale of the map in which these places are 12 cm apart? - Beam force distribution
A body weighing 400 kg is suspended at a distance of 1 m from one end of the beam on a beam weighing 100 kg and 5 m. How large do forces act at the ends of the beam? - Car speed
The car covered the track 157.5 km in 2 hours and 15 minutes. How fast was he moving? - Pool plan marking The pool is 50 m long and 20 m wide. How will it be marked on the plan on a scale of 1:200?
- Free fall
How long and at what speed does the body fall to the ground during a free fall from a height of 35 m? - Buoyancy force
An adult male has a volume of about 0.070 m³. How much buoyancy affects him when he is completely immersed in water? - Mains voltage
How much electric current flows through the appliance with a resistance of 40 kΩ, connected to the mains voltage (230 V)? - Appliance resistance power
Calculate the resistance and power of the appliance through which a current of 20 mA flows at the mains voltage (230 V). - Average distance
The tourist section covered 14.5 km in 2.5 hours. What distance did he cover on average per hour? - Carp average weight
The fishery gradually sold carp weighing 2 1/2 kg, 1 5/6 kg, 1 3/5 kg, 2 1/10 kg, 2 kg, and 2 2/3 kg. What was the average weight of 1 carp? - Wire weight
The customer wants to buy 300 meters of wire with d = 4 mm. An experienced salesman knows that 100 meters of wire are about 10 kilograms, so he weighs 30 kilograms of wire. Find out how many meters of wire are in a bundle of wire weighing 30 kilograms (or - Rain probability
Last year, it rained 12 days in March. What is the probability that it rained on March 20? - Triangle area perimeter
Calculate the area and perimeter of the right triangle ABC if A [5.5; -2.5] B [-3; 5] C [-3; -2.5] - Coordinate axes
Find the triangle area given by line -7x+7y+63=0 and coordinate axes x and y. - Vector magnitudes
Determine the magnitude of the vectors u = (2,4) and v = (-3,3) - Track ascent meters
How many meters will the track ascend if it is 200 kilometers long and the ascent is 7 per mille? - Rectangle diagonal ratio
The aspect ratio of the rectangle and its diagonal is 9:12:15. Calculate the area of the rectangle if the length of the diagonal is 105 cm.
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