Questions

Provide clear answers to the following questions at the end of your lab report.

1. Write the following numbers in scientific notation: 100.1m, 987s, 10005J, 0.000005s, and 900110^10mm.
2. Determine the error formula for y=3x^4.
3. Calculate the circumference (including uncertainty) of a circle whose measured radius is r=7.30.2cm.
4. Calculate the area (including uncertainty) of the circle in the previous question.
5. Two pieces of wood are glued together to form a long stick. The length of the first piece is L1=0.970.02m and the length of the second piece is L2=1.040.01m. What is the length (including uncertainty) of the stick?
6. An object of mass m=2.30.1kg moves at a speed of v=1.250.03m/s. Calculate the kinetic energy (K=12mv2) of the object and estimate the uncertainty K.