Mass of this book is 1 kg.
The___ of a mirror's surface determines the type of image it forms.
1 answer:
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Answer:
u = 88.54 m/s
Explanation:
Given that,
A discus thrower achieves a high throw of 100 m.
Angle of projection is 30°
We need to find the initial speed of the discuss. It is a cse of projectile motion. The maximum height reached by the discus is given by :
u is the initial speed of the discus
So,
So, the initial speed of the discus is 88.54 m/s.