Length - practice for 13 year olds - page 17 of 63
Number of problems found: 1251
- The train
The train starts for 2 min with an acceleration of 25 cm/s². What speed will he gain in this time, and what path will he pass? - Acceleration 56621
The aircraft, which has a speed of 1080 km / h, starts moving for 1 minute with an acceleration of 1 m / s². What will be its final speed? What trajectory will he take at this minute? - Four pieces
A 37-centimeter board is cut into four pieces. The first piece and the second piece are the same lengths. Similarly, the third and the fourth piece are the same lengths if the fourth piece is quadruple the difference between the first piece and 10 cm. Fin - Oil crisis
A car runs 16 km using 1 liter of petrol. How much distance will it cover using 2 3/4 liters of petrol?
- Resulting 55991
The 180 cm long bar should be cut into two parts so that the longer part is 4 cm shorter than three times, the shorter part. Find the lengths of the resulting bar sections. - Calculate 55981
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? - 144 steps
To get around the garden, we have to take 144 steps—eight steps less in width than in length. One step is five decimetres long. What are the dimensions of the garden? What are its perimeter and its area? - The castle
The map shows the castle moat by a line 2 cm long. The moat is 500 meters long. Find the scale of the map. - Technical 55751
The technical drawing shows the product on a 5:2 scale. Determine the length of the product if it measures 12 cm in the picture.
- A paint
A paint tin is a cylinder of 12cm and a height of 22 cm. Leonardo, the painter, drops his stirring stick into the tin, and it disappears. Work out the maximum length of the stick. - 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? - Wall builders
If 12 men can build a wall 398 meters long in 48 days, how long would it take 33 men to build a wall 347 meters long? Answer to 3 decimal places. - Central Park
Central Park is a rectangular park in New York City, and the map scale is 1 cm: 320 m (It means 1 cm on the map represents 320 m in the real world. ). Find the north-south distance if the length on the map is 2.5 cm. - Bridge across the river
The width of the river is 89 m. For terrain reasons, the bridge deviates from a common perpendicular to both banks by an angle of 12° 30 '. Calculate how many meters the bridge is longer than the river.
- Describes 55223
The minute hand is 30 cm long. The hour hand is half as short as the minute hand. How big a track describes its endpoint in a week. - Determine 54881
On the tourist map with a scale of 1:50000, the section of the railway line between Bobrová Lhota and Javořiště is replaced by an arc of a circle with a radius of 6 cm. The arc is 90°. Determine the actual length of the track between the two villages. - Aspect ratio
Determine the length ratio to the width of a picture frame that is 12 3/4 inches long and 8 1/2 inches wide. - Colorado
The state of Colorado has the shape of a rectangle. The map is sold on two posters. The first has 70 cm and 50 cm dimensions on a scale of 1:1,000,000. The second poster has dimensions of 175 cm and 125 cm. What is the scale of the second poster? - The bricklayer
The bricklayer built a six-meter base of the fence in 3 hours. How long does it take to build a 14 m long base?
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