Question

More proportions

Answer 1

square of speed, not square root
s^2 will come

Answer 2

ohhhhhhhh!

Answer 3

F = kws^2/r

Answer 4

Got that part. Thanks again!

Answer 5

I am stuck now on the 2nd part. sorry.

Answer 6

F = kws^2/r

\(F = kw_1 s_1^2/r \)
\(F = kw_2s_2^2/r\)
because the force F and radius r of the road remains the same

Answer 7

ok

Answer 8

thanks

Answer 9

got that ? could you find the speed now ?

Answer 10

44

Answer 11

if its incorrect, i'll try to calculate...