A proton initially has v = 6.0 î - 3.0 j + 4.0 k and then 4.0 s later has v = -3.0 î - 3.0 j + 4.0 k (in meters per second). (a) For that 4.0 s, what is the proton's average acceleration aavg in unit-vector notation? m/s2 î + m/s? ĵ m/s² k + (b) For that 4.0 s, what are the magnitude and direction of aava? m/s? ° (from the +x axis in the xz plane)

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –