Question

Two forces of magnitudes 3 units and 5 units act at
0
60
with each other, what is the magnitude of
their resultant ?

Answer 1

Answer:

0 and 300 unit................

Answer 2

Answer:

Incident ray is along the unit vector 

v

^

 and the reflected ray is along the unit vector 

w

^

The normal is along unit vector 

a

^

coutwards. Express 

w

^

 in terms of 

a

^

 and 

v

^

.

Study later

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