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Mass of a piece of marble knowing its density and volume
What will be the mass of a piece of marble that occupies
volume, if its density is
?
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Convertion of units: speed of a car (3600)
A car is moving in a straight path, covering 3 600 meters in 90 seconds. Determine the speed of the car, expressed in km/h.
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Acceleration of a car (3583)
A car is increasing its speed from 40 m/s to 70 m/s. What is its acceleration if the time needed was 3 seconds?
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Time taken to cover a distance by car (3567)
If the speed of a car is 75 km/h. How long does it take the car to cover a distance of 75 km?
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Time it takes for blood to cover 30 cm distance (3494)
The speed of blood flow is 30 cm/s. Considering a vein as a straight path, how long will it take for blood to cover a distance of 30 cm?