Extension
4 describe the movement of the electrons in an a. c. circuit by relating it to the
changing potential difference of the supply.
(3 marks)
5
look back to the diagram in question 2. when the original trace was made the
oscilloscope's volts/div dial was set at 0.5 volts/div and the time base was set
at 5 ms/div. calculate the frequency of the supply.
(3 marks)

What term do psychologists use to designate our personal awareness of feelings, sensations, and thoughts?

Ogle–2013–blg–0723 is an exoplanet that is similar to earth in size and proximity to its star. this exoplanet has mass m=4.18×1024kg and radius r=5.66×106m. an astronaut whose weight on earth is w=735n lands on the planet. a. calculate m, the mass of the astronaut. b. calculate gp? , the acceleration due to gravity on the surface of ogle–2013–blg–0723. c. calculate wp? , the weight of the astronaut on the surface of ogle–2013–blg–0723. d. calculate v, the minimum velocity required to put an object into orbit above ogle–2013–blg–0723. e. calculate t, the time required to complete an orbit around ogle–2013–blg–0723.

What property is a characteristic of a substance that can be observed and does not change the identity of the substance