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The Conical Pendulum

A small object of mass m is suspended from a string of length L = 1.8 m. The object revolves in a horizontal circle of radius r with constant speed v and angle = 28°

Find the speed of the object.

i found s=v=2.098.

Find the period of revolution, defined as the time interval required to complete one revolution.

i found it to be ... t=2.53

NOW...

For the conical pendulum described above, determine the following if m = 14.0 kg.

(a) the horizontal and vertical components exerted by the string on the object

(b) the radial acceleration of the object.

for H my equation is

T=ma/sin theta

and to find a=s/t

i take what i found in the previous problem right?

so s=v=2.098

and t=2.53?

and for Fv my equation is T=mg/costheta?

and then for part b...mv^2/r...

but what is r?

OKAY i found everything BUT the HORIZONTAL COMPONENT!!!

HELP

A small object of mass m is suspended from a string of length L = 1.8 m. The object revolves in a horizontal circle of radius r with constant speed v and angle = 28°

Find the speed of the object.

i found s=v=2.098.

Find the period of revolution, defined as the time interval required to complete one revolution.

i found it to be ... t=2.53

NOW...

For the conical pendulum described above, determine the following if m = 14.0 kg.

(a) the horizontal and vertical components exerted by the string on the object

(b) the radial acceleration of the object.

for H my equation is

T=ma/sin theta

and to find a=s/t

i take what i found in the previous problem right?

so s=v=2.098

and t=2.53?

and for Fv my equation is T=mg/costheta?

and then for part b...mv^2/r...

but what is r?

OKAY i found everything BUT the HORIZONTAL COMPONENT!!!

HELP

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