Velocity (m/s) 25 20 5m 15 10 5 50 m 25 m 20 m Time (s) The velocity-time graph above represents the motion of an accelerating car. What is the displacement of the car between t=0 and t=5? 100 m Velocity (m/s) vs. Time (s) 05 Highlight Hotspot 2 3 5

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Q: 5. Calculate the resistance of a 40-W automobile headlight designed for 12 V.

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Q: 91 + d₁ 92 + d₂ 93

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.