Friday

April 18, 2014

April 18, 2014

Posted by **Kayla** on Thursday, May 17, 2012 at 6:24pm.

- trig -
**Reiny**, Thursday, May 17, 2012 at 6:30pmwhen t=0 , all answers with sin are zero

all answers with cosine are 4, so we eliminate the sine answers

period of a sine or cosine function is 2π/k

but we are told:

2π/k = 2

k = π

so it must be y = 4cos πt

**Related Questions**

trig - 8. Write the equation for simple harmonic motion given that the amplitude...

PHYsics !! - a) What do you understand by Simple Harmonic Motion? b) A simple ...

calculus - If an equation of motion of a particle is given by s(t)= Acos(ùt...

Trigonometry - Wave Motion A buoy oscillates in simple harmonic motion as waves ...

Harmonic Oscillation - The velocity of a certain simple harmonic oscillator is ...

Math - A piano tuner uses a tuning fork. If middle C has a frequency of 264 ...

physics - Suppose a diving board with no one on it bounces up and down in a ...

Physics(Simple Harmonic motion and Elasticity) - A copper rod (length = 2.0 m, ...

Physics: Simple Harmonic Motion - A 10kg particle undergoes simple harmonic ...

trig - The function d=-8cos2t describes a simple harmonic motion, where d is ...