8. a bowling ball rolls 32 meters in 0.8 seconds. find the average speed (in m/s) of the bowling ball in m/s.

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Ответ:

nayeli09

21.01.2022

Physics

(e) 3.2

Explanation:

We are given that vector C and D.

Let R be the magnitude of C+D.

According to question

R=3D

We have to find the ratio of the magnitude of C to that of D.

By using right triangle property

C^2=R^2+D^2

C^2=(3D)^2+D^2

C^2=9D^2+D^2

C^2=10D^2

$C=\sqrt{10D^2}=3.2D$

$\frac{C}{D}=3.2$

Hence, the ratio of the magnitude of C to that of D=3.2

(e) 3.2

If vector C is added to vector D, the result is a third vector that is perpendicular to D and has a

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