A ball is tossed straight upward with a speed of 10 m/s from a window located 20 m above the ground. Assuming the gravitational acceleration is 9.81m/s?, how many seconds later does the ball hit the ground? 1.2 sec 3.3 sec 2.0 sec 1.0 sec

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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A ball is tossed straight
upward with a speed of
10 m/s from a window
located 20 m above the
ground. Assuming the
gravitational acceleration
is 9.81m/s?, how many
seconds later does the
ball hit the ground?
1.2 sec
3.3 sec
2.0 sec
1.0 sec
Transcribed Image Text:A ball is tossed straight upward with a speed of 10 m/s from a window located 20 m above the ground. Assuming the gravitational acceleration is 9.81m/s?, how many seconds later does the ball hit the ground? 1.2 sec 3.3 sec 2.0 sec 1.0 sec
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