a foot ball travel 80 meter in 10 sec find time taken (m/s)
Answers
Explanation:
A ball is dropped vertically from a building it travels 80 m in 4 seconds, how far does it travel in the next 8 seconds?
3 Answers
Profile photo for Eduardo Dequilla
Eduardo Dequilla
, B.S. Physics from Ateneo de Davao University (2005)
Answered 1 year ago · Author has 6.1K answers and 4.1M answer views
There are two distances being mentioned. The first distance d1 = 80 m in the first 4s and the second distance = ? m in the next 8 s.
D1 = 5 * (4s)^2
D1 = 5 m/s^2 * 16s^2
D1 = 80 m
The motion from the the 5th second to the 8th second is illustrated below from time = 5s to time = 8s.
D5 = 5 m/s^2 * (5s)^2
D6 = 5 m/s^2 * (6s)^2
D7 = 5 m/s^2 * (7s)^2
The ball will cover this distance in the next 8s.
D8 = 5 m/s^2 * (8s)^2
distance = 5m/s^2 * (8s)^2
distance = 5m/s^2 * 64 s^2
distance = 320 m
The distance it traveled in the next 8s is 320 meters.