Physical quantity - math word problems - page 191 of 343
Number of problems found: 6854
- Superman 19093
Superman has a jet car that drives at 720km/h. How many seconds will he reach the villain, who is 1600m away?
- Departed 18123
The train left station A at 10 o'clock. At a speed of 55 km/h. One and a half hours later, opposite him, an express train departed from station B, 360 km from station A, at a speed of 130 km/h. At what time and how far from station A will both trains meet
- Gravitational 12411
We lift a weight of 2 kg to a height of 50 cm above the top of the table. Determine its gravitational potential energy: a) relative to the tabletop, b) relative to the floor if the table top is 1m above the floor.
- Overtake 4682
The cyclist leaves Prague at a speed of 24 km/h. An hour later, a car drives behind him at 60km/h. How far from Prague, and how long will the car overtake the cyclist?
- Tiles path
A rectangular park measures 24m X 18m. A path 2.4m wide is constructed all around it. Find the cost of paving the path with cement tiles of size 60cm X 40cm at the rate of $5.60 per tile.
- Rectangles 6279
Reduce the dimensions of the rectangle with dimensions of 21 cm and 3 dm in a ratio of 4:6. In what proportion will the areas of both rectangles be?
- Electrical 19373
At a certain point, we measured a voltage of 3.74V at a current of 170mA at the terminals of a resistor connected to an electrical circuit. Calculate the resistance of the resistor.
- Movement 4049
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?
- Kilometers 27191
The plane dusted the field in 25 minutes at 252 km/h. How many kilometers has it flown?
- Headmaster 6171
Jakub walked down the corridor in 24 steps, 45 cm long. How many steps will a janitor cross this corridor if his step is 72cm long? How long is the headmaster if he walks 18 corridors?
- Determine 3586
Determine the size of the vectors u = (2,4) and v = (-3,3)
- Basketball team
The heights of five starters on Redwood High's basketball team are 5'11", 6'3", 6'6", 6'2", and 6'. The average height of these players is?
- Bracelet
The silver bracelet weighs 62g and contains 59g of silver. What is the purity of the bracelet?
- Clocks
What distance will describe the tip of a minute hand 6 cm long for 20 minutes when we know the starting position with finally enclosed hands at each other at 120°?
- River
Calculate how many permille river Hudson average falls, if on section long 952 km flowing water from 1231 m AMSL to 131 m AMSL.
- Accommodation 7644
Calculate the average price of accommodation for one night and one room from all hotels if I have 3 hotels: 1. The hotel has 34 rooms for 46 euros/night and an offer of 6 nights, 2. The hotel has 22 rooms for 79 euros/night and offers 5 nights, 3. The hot
- Energy consumption
The device is connected to 230V and draws a 3.5A current. Power consumption is 1932kJ. How many minutes has this device been in operation?
- Newtonmeters
The driver loosened the nut on the car wheel with a wrench that held 20 cm from the axis of the bolt. He acted on the key with a force of 320N. At what moment did he act on the bolt?
- A biologist
A biologist knows that the average length of a leaf of a certain plant is 4 inches. The standard deviation of the population is 0.6 inches. A sample of 20 leaves of that type of plant given a new type of plant food had an average length of 4.2 inches. At
- Grandmother's 80490
Little Red Riding Hood walked through the forest from her house to her grandmother's house. She walked at an average speed of 0.75 m/s. She left her house at 11:30 and reached her grandmother exactly at noon. How far from her house does her grandmother li
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