# Themes, topics - practice problems

#### Number of problems found: 2198

- The pilot

The pilot is on a mission with 160 liters of fuel. The distance between the main base and operation area is 2 hours. The distance between the main base and backup base is 1 hour. Assume: - Aircraft fuel consumption is 10 lt/h. - Minimum fuel after landing - A fuel

A fuel tank has 28 gallons of fuel. One gallon of fuel weighs 7 1/10 pounds. How many pounds of fuel is in a full tank? - 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? - Measured 74724

How long would a tourist walk the route if he measured 24.9 cm on a map with a scale of 1:25000? The marching speed is 4 km/h. - Transform 4

Transform to a positive angle in standard position: 24° west of north - What power 2

What power has a pump output to move 4853 hl of water to a height of 31 m for 8 hours? Comparing the power generated by the pump vs. the power generated by the motor, which is more efficient? Which, the pump or the motor generates the more pollution if fo - Impulse, force and momentum

A 50 kg mass is sitting on a frictionless surface. An unknown constant force pushes the mass for 2 seconds until the mass reaches a velocity of 3 m/s. What is the value of the unknown force? b) through your solutions prove that Impulse and momentum will h - The change

The change in momentum of an unknown object was 56N.s. What was the force applied when it moved a distance of 2m in 10 seconds? - A bus 2

A bus travelled from Town A to Town B. The whole journey, a 240 km ride, started at 1:00 p.m. and ended at 5:00 p.m. Find the average speed of the bus. - Identical 73194

Three identical pumps fill 50,400 liters of diesel into the tank in 7 hours. How much more (less) diesel will they pump if we add two more pumps, and they will all work for 4 hours? - The truck

What is the mass of a 10 wheeler truck if it has reached a momentum of 567kg.m/s while it moves at 40m/s - Measurements 71584

The rectangular factory hall has dimensions of 30 cm and 16 cm on the plan on a scale of 1: 500. Calculate the actual measurements. - An airplane 2

An airplane left Changi International Airport at 9 p.m. and fly 5841 km to Dubai International Airport. If the airplane flies at an average speed of 649 km/h, what is the arrival time of the plane? A) 6 a.m. the same day B) 8 a.m. the same day C) 6 a.m. t - Branisko 70954

The Branisko tunnel has a length of 4975m. How long will it take for a car to pass through the tunnel if the speed limit is 80km / h? - A BICYCLIST

A BICYCLIST travelled for T=1.9hrs at a constant speed of R=32km/hr . Find distance traveled - Huddersfield 70164

Prague's direct distance to Huddersfield (United Kingdom) is 1680km. What is the map's scale, at which this distance is 84 cm? - Expressed 70094

The air distance between the cottages on the same shore of the lake, 2.7 km, is the distance expressed by a line length of 36 mm. Find the scale of the map. - Distance 70084

On a tourist map with a scale of 1:50 000, the distance between Štrbské Pleso and Štrba is 14 cm. What is the actual distance? - Sidewalk 70074

The sidewalk is 500m long. How will it be marked on the plan on a scale of 1: 200? - The temperature 28

The temperature rose 14°C in 3 1/2 hour. At what rate, in degrees per hour, did the temperature rise?

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