SC 130 Physical Science quiz 04 • Name:

Write your answers including units and correct significant digits where appropriate.

1. _____________________ On Wednesday evening I jogged 4.69 kilometers in 31.00 minutes. Calculate my pace in minutes per kilometer.
2. _____________________ On Wednesday evening I jogged 4.69 kilometers in 31.00 minutes. Calculate my velocity (speed) in meters per second. Write your answer including units and correct significant digits.
3. _____________________ Use my velocity v in meters per second from number two above and my mass of 64.7 kilograms to calculate my momentum Wednesday evening.
4. _____________________ Use my velocity v in meters per second from number two above, my mass m of 64.7 kilograms, and the formula kinetic energy = 0.5mv² to calculate my kinetic energy in Joules Wednesday evening.
5. ________________ What is temperature of boiling water in Celsius?
6. ________________ What is temperature of the healthy human body in Celsius?
7. ________________ What happens to water at zero degrees Celsius?
   
8. Which substance best conducted heat in the laboratory Thursday?
   
9. Which substance(s) acted as heat insulators in the laboratory Thursday?
10. List three ways to "move" heat:
    
    ____________________   ____________________   ____________________
11. Briefly explain the three ways heat is "moved"

Physci fall 2007 • Physci • Courses • COMFSM