Q4: small flower pot is to be thermoformed using positive forming from a flat plastic sheet 0.6 cm thick. If the diameter of the top of the pot is 6 cm, the diameter of the base is 4 cm and the depth is 6 cm, estimate the wall thickness of the pot at a point 3 cm from the top. And Calculate also the draw ratio for this moulding . (25 Marks)​

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?