The distance traveled by the man is equal to the perimeter of the rectangle which is 40m + 30m + 40m + 30m = 140m. The magnitude of displacement is the shortest distance between the initial and final positions, which is the diagonal of the rectangle. Using the Pythagorean theorem, the diagonal is √(40^2 + 30^2) = √(1600 + 900) = √2500 = 50m.
It would take you 20 seconds to walk 40m at a speed of 2 m/s. (Distance/Speed = Time)
The image of your face will appear to be 20cm behind the mirror, making the total distance between your face and its image 40cm. The image will be laterally inverted compared to your actual face.
The phase difference between two waves is directly proportional to the path difference between them. The phase difference is a measure of how much the wave has shifted along its oscillation cycle, while the path difference is a measure of the spatial separation between two points where the waves are evaluated.
The difference between 164 and 220 is 56.
Yes!
Convert everything to meters - i.e., 20 cm. = 0.2 meters. Do the multiplication to get the area (a) of each floorboard, (b) of the entire room, then compare (divide).
volume 20cm 30cm 20cm
To calculate the volume of a rectangular prism, you multiply the length, width, and height. 40m × 40m × 60m = 96, 000 m3.
20cmx 20cm x20cm
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It is 40,000mm
0.0254 m = 1 in (exactly) → 40m = 40 ÷ 0.0254 in ≈ 1574.8 in
The population grew from 11m in 1750 to 40m in 1900.
I saw a video on YouTube where the fellow explained that the 40m javelin was not as stiff as the 50m. A more flexible javelin is preferred by beginners as it absorbs some of the stress better and relieves that from the shoulder. As a thrower gets in better shape and throws farther, the stiffer 50m javelin is preferred as it flies better and, thus, farther.
It is 400cm or 4 meters
2m add 20cm = 22