Solve the attached pic plzz
Answers
Given :-
Mass of object,m= 5 kg
Time taken by object,t= 2s
Initial velocity of object,u= 3 m/s
Final velocity of object,v= 7 m/s
To Find :-
The magnitude of the applied force and the velocity of object if the force is applied for a duration of 5s
Solution :-
We know that,
Acceleration of a particle 'a' is given by
Expression of force F is given by
where,
v is final velocity
u is initial velocity
t is time taken
m is mass
━━━━━━━━━━━━━━━━━━━━━━━━━
Let the acceleration of object be a
So,
Let the applied force be F
So,
━━━━━━━━━━━━━━━━━━━━━━━━━
Let the final velocity of second case be v'
So,
✮✮
Hence, the applied force is 10 N and the velocity of object if the force is applied for a duration of 5s is 13 m/s.
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Answer:
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