If the runner ends where she started, then her total displacement is , which means her average velocity will be
The total distance she traversed, however, was , which gives her an average speed of
A tennis player strikes a tennis ball from underneath with her racket. The ball is sent straight up with an initial velocity of
1 answer:
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Answer:
Acosθ
Explanation:
The x-component of a vector is defined as :
Magnitude * cosine of the angle
Maginitude * cosθ
The magnitude is represented as A
Hence, horizontal, x - component of the vector is :
Acosθ
Furthermore,
The y-component is taken as the sin of the of the angle multiplied by the magnitude
Vertical, y component : Asinθ
