In oscillating systems such as the oscillation of simple pendulum and the oscillation of a loaded spring always experience the different transformation of energy.
Which of the following form of energy is not experienced by the system?
Diagram shows a kid riding down a slide.
Which of the following is the correct energy changes?
The length of the spring in a toy pistol is 250 mm.
A force of 7 N used to compress the spring until its range becomes 40 mm.
Calculate the maximum speed of the plastic ball of mass 40 g when it fired from the pistol.
The total amount of energy transfer from one form to another form in the close system is always equal.
True or false?
A 300 g ball is thrown vertically upward at 21 \(\text{ms}^{-1}\).
Calculate the maximum gravitational potential energy.
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