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  1. Study notes for Grade 10 Physical Science. Videos can aslo be viewed. Use together with Exam papers to improve your marks.

  2. Two point-like charges carrying charges of +3 nC and −5 nC are 2m apart. Determine the magnitude of the force between them and state whether it is attractive or repulsive.

  3. Note: nano(n) = 10-. Solution: Step 1: What do we know? We can identify two properties of the radiation λ = 200 nm c = 3 x 108 m-1 f =? Step 2: Apply the wave equation c = f λ 3 x 108 = f x 200 x 10 - = 1,5 x 1015 Hz. 2. Calculate the wavelength of an EM wave with 6 x 10 -19 J of energy. c = 3 x 10 8 m-1 h = 6,63 x 10-34 J λ =?

  4. 1 kwi 2018 · Pitch is how high or low the note sounds. *Low frequency = low note = low pitch - Nkanyezi’s voice *High frequency = high note = high pitch - Terease’s voice

  5. The 2021 ATPs are based on the revised ATPs that were developed in 2020. It is important to note that fundamental and core topics are retained in the 2021 ATPs. Some of the strategies that have been used in the process of developing the 2021 DBE ATPs are: reduction of content covered in certain topics.

  6. Siyavula's open Physical Sciences Grade 10 textbook, chapter 7 on Transverse pulses covering 7.2 Pulses: amplitude and length.

  7. Calculate the change in velocity values by using the area under each part of the graph. The motion of the car can be divided into three time sections: \(\text{0}\) – \(\text{2}\) seconds; \(\text{2}\) – \(\text{4}\) seconds and \(\text{4}\) – \(\text{6}\) seconds.

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