Question

. A goalkeeper in a game of football pulls his hands backwards after holding the ball shot at the goal.

This enables the goalkeeper to:

(a) Exert large force on the ball

(b) Increases the force exerted by the ball on hands

(c) Increase the rate of change of momentum

(d) Decrease the rate of change of momentumo​

Answer 1

Answer:

b.

Explanation:

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Answer 2

• Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows. Even our eyes depend upon this bending of light.