Physics, 25.05.2021 14:00 organicmemez
May
SHOW YOUR WORK IN ALL QUESTIONS. Acceleration due to gravity: a = 9.81 m/s2
1.) (a) A ball is dropped from 4 meters above the ground. If it begins at rest, how long does it take
to hit the ground?
(b) A ball is thrown upward at 4 meters per second starting from ground level. How long does it
take for the ball to return to the ground?
(c) If a ball that is 4 meters above the ground is thrown horizontally at 4 meters per second,
how long will it take for the ball to hit the ground?
(d) In question (c) above, how far will the ball travel in the horizontal direction before it hits th
ground?
(e) Drop a ball from a height of 2 meters and, using a stopwatch, record the time it takes to
reach the ground. Repeat this two more times and record all the times in the table belov-
then find the average time. Be sure to release the ball from rest rather than throwing it
or down.
Test Number
Time (seconds)
Answers: 2
Physics, 21.06.2019 16:30
As , plants meet their needs for making food from air, soil, water, and the sun's energy in a process called there are plants called grow high in trees without here are words to put in the blanks. 1.) producers 2.) consumers 3.) chloroplasts 4.) epiphytes
Answers: 3
Physics, 23.06.2019 00:00
You are standing on a boat. which of the following strategies will make the boat start moving? a. pushing the mast b. throwing some cargo out of the boat c. pushing the front ofthe boat d. pushing another passenger
Answers: 3
Physics, 23.06.2019 04:31
Abowling ball rolls 32 meters in 0.8 seconds what is the average speed in m/s of the bowling ball in m/s
Answers: 2
Physics, 23.06.2019 05:00
What about a rubber band, can it change its shape? is it a solid?
Answers: 2
May
SHOW YOUR WORK IN ALL QUESTIONS. Acceleration due to gravity: a = 9.81 m/s2
1.) (a) A ball...
1.) (a) A ball...
Mathematics, 29.05.2020 02:03
Mathematics, 29.05.2020 02:03
Mathematics, 29.05.2020 02:03
Computers and Technology, 29.05.2020 02:03
Mathematics, 29.05.2020 02:03
English, 29.05.2020 02:03
Mathematics, 29.05.2020 02:03
Chemistry, 29.05.2020 02:03