A car travels for 140 km at 70.0 km/hr. It then travels an additional distance of 60.0 km 40.0 km/hr. The average speed is
A. 61.0 km/hr.
B. 57.1 km/hr.
C. 53.3 km/hr.
D. 46.7 km/hr.
E. 45.0 km/hr.
B. 57.1 km/hr.
Physics & Space Science
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Which wave has the greatest period of oscillation?
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What observational evidence do we have that black holes exist?
What will be an ideal response?
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