+20 POINTS once solved 5) What would be the focal length of a lens that would produce an image that is inverted and
half of the size of the object if the object is placed 35 cm from the lens?
I
b) Draw a ray-tracing diagram of this situation below (label all points in cm):

Amass attached to a spring is displaced from its equilibrium position by 5cm and released. the system then oscillates in simple harmonic motion with a period of 1s. if that same mass–spring system is displaced from equilibrium by 10cm instead, what will its period be in this case? a mass attached to a spring is displaced from its equilibrium position by and released. the system then oscillates in simple harmonic motion with a period of . if that same mass–spring system is displaced from equilibrium by instead, what will its period be in this case? a) 0.5sb) 2sc) 1sd) 1.4s

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring

What is the specific heat of wood ?