19. The velocity of an object at / o is vo-4) m/s. It moves in a plane with constant
acceleration = (31+B)) m/s? What is its velocity after 1 s?
Answers
Answered by
2
Explanation:
Initial velocity of particle
u
= 3
i
^
+4
j
^
Acceleration
a
= 4
i
^
−3
j
^
Final velocity after 1 second
v
=
u
+
a
t
where t=1 s
⟹
v
= (3
i
^
+4
j
^
)+ (4
i
^
−3
j
^
)×1= 7
i
^
+
j
^
Speed after 1 second ∣
v
∣=
7
2
+1
=
50
m/s
Answered by
3
Answer:
v=2as
a=v-u/t
s=ut+1/2at²
Explanation:
use these three formulas.
you will get the answer
HOPE YOU CAN UNDERSTAND
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