Physical The distance between a widening of the forest and a lens is 10 cm. If the lens power is 12.5 D. What type of image do you get? Can you solve it analytically and graphically?. Will the little d'anolyze see his image? Explain to me why the answer.

Now, a beam of light strikes at an angle of 30 degrees from the air on an acrylic plate floating over alcohol. If the refractive rate of alcohol is 1.36 and the acrylic refractive rate is 1.49, trace the ray march and calculate the angle at which the ray enters the alcohol, if it enters​

Consider an ordinary, helium-filled party balloon with a volume of 2.2 ft3. the lifting force on the balloon due to the outside air is the net resultant of the pressure distribution exerted on the exterior surface of the balloon. using this fact, we can derive archimedes’ principle, namely that the upward force on the balloon is equal to the weight of the air displaced by the balloon. assuming that the balloon is at sea level, where the air density is 0.002377 slug/ft3, calculate the maximum weight that can be lifted by the balloon. note: the molecular weight of air is 28.8 and that of helium is 4.

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?

Why would an orange roll of your cafeteria tray if you stopped suddenly