CHAPTER 8. WORK, ENERGY AND POWER 8.3
resources, listing advantages and disadvantages of each type. Writeup the
results as a short report.
Exercise 8 - 2
- Fill in the table withthe missing informationusing the positions of the ball in the
diagram below combined with the work-energytheorem.
A
B C
D E
G F
position KE PE v
A 50 J
B 30 J
C
D 10 J
E
F
G
- A falling ball hits theground at 10 m·s−^1 in a vacuum. Would the speed of the
ball be increased or decreased if air resistance were taken into account.Discuss
using the work-energy theorem. - A pendulum with mass 300g is attached to the ceiling. It is pulled upto point A
which is a height h = 30 cm from the equilibrium position.