The spring is fitted with a scale pan as shown in the figure below and the pointer points to the 30cm mark on the scale....

      

The spring is fitted with a scale pan as shown in the figure below and the pointer points to the 30cm mark on the scale. When some sand is placed in the pan the pointer points to 15cm mark.
PHYSICS25320191217.png

When a 20g mass is placed on top of the sand the pointer points to 5.0cm mark.
a) What extension is produced by the sand?
b) What extension is produced by the 20g mass?
c) What is the mass of the sand?

  

Answers


sharon
a) (15.0 - 5.0cm) = 10cm
b) (30cm - 15) = 15cm
c) 20g =10cm
? =15cm
(20 × 15)/10 = 30g

sharon kalunda answered the question on March 25, 2019 at 09:22


Next: Describe an experiment to show that Carbon dioxide is available in the atmosphere.
Previous: Study the experiment below and answer the questions that follow. The above experiment was carried to study what happens when candle burns in a fixed amount...

View More Physics Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions