Friday

February 27, 2015

February 27, 2015

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

**Answer this Question**

**Related Questions**

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

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

physics - A particle executes simple harmonic motion with an amplitude of 10 cm ...

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

physics - A piston of a car engine executes a simple harmonic motion. the ...

Math - Write an equation with phase shift 0 to represent simple harmonic motion ...

Physics - A 10kg particle undergoes simple harmonic motion with an amplitude of ...

Physics - A mass m is attached to a spring of constant k. The spring oscillates ...

algebra - Could someone show me how to solve this joint variation problems? Y ...

physics - A loudspeaker has a movable diaphragm (cone) that vibrates back and ...