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Q28. A ball of mass 0.4 Kg hits the ground at an angle of 30° with ground and abound
at same angle without any change in speed. If the speed of the ball is 1 m/s and the
period of contact between the ball and floor is 0.4 second, find the average force exerted
by the ball on the Ground.
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Answer:
Wave Number Definition
Explanation:
In physics, the wave number is also known as propagation number or angular wave number is defined as the number of wavelengths per unit distance the spacial wave frequency and is known as spatial frequency.
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