Without windows, you can’t directly observe the ship’s movement. However, if you drop an object and it falls straight down, the ship is moving. In a stationary ship, the object would appear to drift.
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To express the distance between your school and home in meters, convert the distance from kilometers to meters, multiply by 1000. The distance between your school and home is 1.5 kilometers, which equals 1500 meters (1.5 km × 1000 = ...
Wrap a flexible measuring tape around the curved base of the tumbler or bottle to measure its circumference. Record the length in centimeters or millimeters, ensuring the tape is snug and level.
Measure your friend’s height with a meter scale. Express the height in meters (e.g., 1.5 meters), convert it to centimeters by multiplying by 100 (150 cm), and then to millimeters by multiplying by 1000 (1500 mm).
Estimate the number of coins by dividing the notebook’s side length by the coin’s diameter. Measure the side and coin using a 15-cm scale, then verify by placing coins lengthwise to match your estimate.