1) Assignments A wave progresses with a function y=10sin(2x-100t) with t in seconds and x in metres, calculate
1) The Amplitude of the wave function
2) Wavelength
3) Frequency
4) Velocity of propagation
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Answer quickly (15 points) a comet is approaching earth. describe earth’s gravitational pull as the comet gets closer to it. a. remain constant b. increase c. decrease d. reversed

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy