Question

someone help me with limits pleaseeeeeeeee

Answer 1

post your question..

Answer 2

it's a problem in my textbook

Answer 3

during the construction of high-rise building a worker accidentally dropped his portable from a height of 400 ft. after t sec, the portable had fallen a distance of s=16t2 ft

Answer 4

what are they asking for?

Answer 5

how long did it take to the portable to reach the ground?

Answer 6

btw t is exponent 2

Answer 7

you don't need limits here because they are just asking for the time it takes to hit the ground. so let s=400 , and plug it in the formula 400=16t^2 and solve for t.

If they ask what is the rate of change/velocity(something like that), then you need to use limits..

Answer 8

ok thanks, yeah the 2 nexts questions are abu velocity

Answer 9

and i dont understand them either

Answer 10

what's the next question?

Answer 11

what was the average velocity of the portable between the time it was dropped and the time it hit the ground.

and the other question is

what was the velocity of the portable at the time it hit the ground?

Answer 12

, you need to solve for your very first question first before you can solve these two questions because it needs the time the portable hits the ground..tell me what you got and i'll guide you in solving these two questions..

Answer 13

the answer for the first question was 5 seconds

Answer 14

ok right,
to solve for average velocity use this formula:\[Vavg=\frac{ s(5)-s(0) }{5-0 }\]

Answer 15

ok thanks!

Answer 16

we're not done yet?

Answer 17

no i dont think so because it's not the right answer lol

Answer 18

can you show me your solution?

Answer 19

i got the answer 1, and the nswer is supposed to b 80

Answer 20

how did you solve it??
it should be like this