Physics · Oct / Nov 2024 · Paper 11 · Question 4
5054Motion
A student takes 20 minutes to walk from X to Y at a speed of 3.0 km / h. She turns 90° at Y and walks at a speed of 4.0 km / h for 15 minutes to reach Z. What is her average speed from X to Z?
- A2.4 km / h
- B3.4 km / h
- C3.5 km / h
- D5.0 km / h
As printed in the paper
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Correct answer: B. 3.4 km / h
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