A bus travels in and then another in

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Kinematics · Kinematics

Problem

A bus travels 300 m300\,\text{m} in 20 s20\,\text{s} and then another 200 m200\,\text{m} in 30 s30\,\text{s}, all along the same straight road. What is its average speed for the whole trip? (a) 6.7 m/s6.7\,\text{m/s} (b) 9.2 m/s9.2\,\text{m/s} (c) 10 m/s10\,\text{m/s} (d) 11 m/s11\,\text{m/s}

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