for the 1st question.:
i calculate out the initial speed which was 30m/s. and drew out the v/t graph.
using the graph i found out that the total distance traveled during the 3secs is 45m.
so the average speed would be 45/3 which is 15m/s.
i need to find out the distance traveled in 1sec...
i got another query. can i just find out the average speed for both of the question. and then use it to find the answer?
i can't get it for the 1st question. but i can get the answer for the 2nd one.
for the first question.
i manage to find the initial speed which was 30m/s. i derive it through the formulae
(v1-v2)/t = acc. so i drew out the v/t graph, and calcuate the area under graph when the time is 1sec. i got 25m.
the 2nd question. i use the same formulae (v1-v2)/t =acc. to...
i throw a ball upwards
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...