Units and measurement.

Which of the following is an appropriate symbol for the unit of a quantity found by dividing a temperature by distance?

• K/m

• Km

• mK

What is the symbol of the messing unit (U) in the formula: momentum (U) = mass × speed?

The mass is 500 grams. Which of the following is not specified in the previous measurement?

• The unit of the measured value

• The object involved in the measurement

• The value of the measurement

• The quantity measured

Which of the following is an appropriate symbol for the unit of a quantity found by multiplying a length in millimeters by a length in centimeters?

• m

• mm³

• cm²

• cm^-1

• m³

Which of the following is equivalent to 15 seconds?

• 15+seconds

• 15×seconds

• seconds

• 15

What is 6 m³ in liters?

• 60 liters

• 600 liters

• 6 liters

• 6000 liters

• None of them

If A = 130 ms and B = 270 μs. Calculate the value of A+B in seconds.

Explain that the following sentence has no meaning:

A student measured some distance and found it equals 300

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