Recent content by lavenderbaby

Ohhhhh, I get it now! the stretched length must be (radius of path - unstretched length) then! Thanks a lot!

Since the question states that the spring is unstretched, wouldn't the radius of the path be the unstretched length of the spring, which is 0.18 m?

Homework Statement A 2.1 kg mass is connected to a spring with spring constant k=150 N/m and unstretched length 0.18 m. The pair are mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. The mass is set into circular motion at 1.4 m/s. Find...

Hi tiny-tim, thanks for your prompt reply! But in order to write it as a combo of cos and sin, do i need to rewrite the tan in terms of sin/cos first? I'm not really sure how that is going to give me a combo of sin and cos...any more hints?

Homework Statement A fire fighter directs a stream of water from a fire hose into the window of a burning building. The window is 20.0 m above the level of the nozzle and 60.0 m away. The hose produces a jet of water at a constant nozzle speed of V0 = 30.0 m/s. The fire fighter can...