- #1

huagulong

- 5

- 0

reach highest point at 3secs later

what is the distance travel by the ball when the time is 1 sec?

take g = 10m/s^2

another is

a car deccelerates from 20m/s at a rate of 2ms^2...

how long does it take to reach 100m

im trying to explain it to my younger brother. but I am not sure how to. can anyone help?