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05-09-2020
Physics

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can someone tell me the ans of this question also please wit hthe steps of the solution.

can someone tell me the ans of this question also please wit hthe steps of the solution class=

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ropafadzonyadome ropafadzonyadome

05-09-2020

Answer:

C

Explanation:

speed=distance÷time

total distance=100+20=120km

total time=1+1/2=1.5hrs

speed=120÷1.5

speed=80km/hr

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