Physical quantities - math word problems - page 169 of 298
Number of problems found: 5952
- The temperature 17
The temperature was -5 Celsius at 6 AM. It increased by a speed of three degrees every hour for six hours. The temperature then increased 1 1/2° every hour for five hours. What was the temperature at 5 PM? - The cyclist
The cyclist reaches a speed of 32 km/h in 3.4 seconds. What is its acceleration in m/s²? - A plane
A plane is flying at the rate of 350 mph. After an eight-hour flight is at its destination, how far did the plane fly? - Cage gravitational energy
Find the potential gravitational energy of a 2000 kg tow cage relative to the bottom of an 850 m deep draw pit when the cage is on the surface. - Compressed gas
The pressure vessel contains a compressed gas at a temperature t1 = 27 °C and a pressure p1 = 4 MPa. How much does its pressure change when we release half the amount of gas, and its temperature drops to t2 = 15 °C? - Hydraulic blade force
The hydraulic blade has pistons with an area of 10 cm² and 500 cm². How much force acts on the larger piston if we act on the smaller piston with a force of 100 N? - Current in the conductor
Calculate the current in the conductor (in mA) if it is connected to a 4.5 V voltage source and its resistance is 20 (ohm). - Car motorcycle meeting
The distance is 77 km. A car at 100 km/h and a motorcycle at 80 km/h will run against him for half an hour. Later. When will they meet? - Boiler pressure force
Calculations according to Pascal's law. A boiler with an internal wall area of 3.4 m² will be tested at a pressure of 0.9 MPa. Calculate the total compressive force acting on the boiler walls. - Motorcycle engine
The motorcycle engine has a constant power of 1.2 kW for 0.5 hours. How much work does the engine do? Express work in kWh and Ws units. - Cooker
A current of 2 A passes through the immersion cooker at a voltage of 230 V. What work do the electric field forces do in 2 minutes? - The elevator
The elevator car weighing 400 kg rises from the third to the fifth floor. By what value will the potential gravitational energy of the cabin increase? What useful work will the elevator motor do? The height of one floor is 5 m. - Car distance calculation
The car's speedometer showed a constant speed of 60 km/h for 5 minutes. What path did the car cover during this time? - Electric charge time
How long does it take for a 15 C charge to pass through the conductor's cross-section if a 3 mA current passes through the driver? - Walking
Lucy can walk about 3 4/5 miles each hour. How far can she walk in 2 hours 45 minutes? - Running
Joanne ran 8 1/2, Kyleigh 1 2/3, and John 6 3/4 miles in one day. How many miles did the girls run in 3 days? - Gasoline
How many liters of gas is in the tank if its weight is 15.4 kg? The specific density of gasoline is 770 kg/m³. - Crane speed
The crane in the assembly hall will move by 22.5 m in 1 1/4 minutes. What speed does it move if it is a steady movement? - Car - road
The car started at 11:40, traveling 54 km/h between A and B, and arrived at 12:20. Find the distance between A and B. - Locomotive
Locomotive pulled a permanent train load of 200 kN horizontally along the track of 5 km. What work has it done?
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