F.J. Brennan High School

            Science Department

               Physics

               SPH 3U

 

                 Name: ___________________________

 

              Appendix C

 

INSTRUCTIONS:

        1)  Answer all questions in the spaces provided.

        2)  Your solutions to the mathematical problems should contain enough detail that part marks may be allocated for incorrect solutions.

        3)  Include all formulas where necessary.

Marks

 

10  1)  State the number of significant digits in each of the following.

 

   a)  9009        ______       f)  70.260   ______

 

   b)  10004       ______       g)  940.32   ______

 

   c)  0.01000     ______       h)  8.40    ______

 

   d)  4200        ______       i)  402    ______

 

   e)  0.000000720 ______       j)  0.01   ______

 

5  2)  Express each of the following numbers in scientific notation.

 

   a)  276 000    __________________________________

 

   b)  0.276 x 10²²  __________________________________

 

   c)  0.00000004821 __________________________________

 

   d)  920.2 x 10^-26  __________________________________

 

   e)  429 x 10³   __________________________________

 

4  3)  Perform the following mathematical operations, expressing the answers to the correct number of significant digits.

 

   a)  122.8     __________________________________

 

   b)  0.467/0.016  __________________________________

 

   c)  429.68-42.8  __________________________________

 

   d)  4.02²   __________________________________

3  4)  Determine the relationship between P and Q from the data supplied in the following table:

 

 

 

 

 

 

 

 

4  7)  The mass of a fish is directly proportional to the cube of its length.  A certain fish, 8 cm long has a mass of 2 kg.  What is the mass of a fish that is 24 cm long?