Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.50 s and reaches the level of the top of the pole after a total elapsed time of 4.1 s
What was the speed of the ball at launch? Neglect air resistance. A) 11 m/s
B) 23 m/s
C) 34 m/s
D) 45 m/s
E) 48 m/s
B
You might also like to view...
Water in a dish is set on a table in an initially empty closed room and begins to evaporate. The temperature of the water will
A. remain the same. B. begin to decrease. C. begin to increase. D. not be able to be predicted based on the information given.
Process of Science: Explain the varied ways in which we continue to explore the Solar System
What will be an ideal response?
Compared to the amount of electric current in the filament of a lamp, the amount of current in the connecting wire is
A) definitely less. B) often less. C) actually more. D) the same. E) incredibly, all of the above
Plants and animals belong to the phylum
A) annelida B) echinodemata C) cnidaria D) chordata