Question

insson
OB
5. Particle A is moving with velocity (6î +109) m/s
and particle B is moving with velocity (3ỉ +6j) m/s.
Magnitude of velocity of A w.r.t. B is
108. TABO
[NCERT Pg. 76]
Vy 5 m/s
(2) 10 m/s
Selas
(3) 3/2 m/s
(4) 6 m/s
6.
Equation of motion of projectile in x-y plane is​

Answer 1

Answer:

Correct option is

C

140 J/s

We know that power is defined as:

P=

F

⋅

v

Putting values will get,

P=(5

i

^

−3

j

^

+6

k

^

)⋅(10

i

^

+10

j

^

+20

k

^

)

P=50−30+120=140J/s

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