One side of a 10 cm puppet is 20 cm from the light source as shown in the diagram The screen is 50 cm from the light source as shown in the diagram. Find the length of
the shadow
Given:
de socm
do 20 cm
Stocm
light
source
puppet
screen
2) Find the holaht

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.