Physics, 27.05.2021 17:10 sarahalexa19
Part B: Thinking (12 marks)
1. The print on a newspaper is 0.25 cm tall. A converging lens is held 2.00 cm above the newspaper so it can
be used as a magnifying glass. It produces a virtual image 3.60 cm away from the lens. Answer the
following questions based on calculations. Show all your work using proper form (GRASP), including a ray
diagram
a) Determine the focal length of the magnifying glass. [4]
I
b) Determine the height of the image. [2]
c) State the four characteristics of the image. [1]
2
Answers: 2
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Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]
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Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system
Answers: 1
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Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?
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A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 3
Part B: Thinking (12 marks)
1. The print on a newspaper is 0.25 cm tall. A converging lens is held...
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