Combined Science - Physics

A stone which has a mass of 12 g and a volume a 4 cm3 is gently lowered into 25 cm3 of water in measuring cylinder.
What will be the new reading on the measuring cylinder?

• 21 cm3 

• 28 cm3

• 29 cm3

• 37 cm3

A plumber needs to measure the internal diameter of a water tap as accurate as possible. Which instrument should be used?

• Measuring tape

• Metre rule

• Micrometer

• Vernier calipers

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

What is the formula/equation to calculate average speed?

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

The SI unit of force is _________