Question: Perspex if it has an absolute refractive index 1.5 e. A truck of mass 2,000 kg starts from rest on horizontal rails. Find the speed

e. A truck of mass 2,000 kg starts from rest on horizontal Perspex if it has an absolute refractive index 1.5

e. A truck of mass 2,000 kg starts from rest on horizontal rails. Find the speed 3 seconds after starting if the tractive force by the engine is1,000 N. (4 marks) f. A bullet of mass 10g is shot into water melon of mass 0.2kg which is resting on a platform. At the time of impact, the bullet is travelling horizontally at 20ms-1 Calculate the common velocity after impact (3 marks) g. A ray of light travelling through a liquid of absolute refractive index 1.4 is incident on the plane surface of a Perspex block at an angle of 55. Calculate the angle of refraction in

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