what is initial velocity ?please give an ex from daily life
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The velocity at which motion start is termed as Initial Velocity. It is velocity at time interval t = 0. It is represented by u.
Johny completes the bicycle ride with the final velocity of 10 ms-1 and acceleration 2 ms-2 within 3s. Calculate the initial velocity.
Answer:
Given: v (Final velocity) = 10 ms-1,
a (Acceleration) = 2ms-2,
t (Time taken) = 3 s
u (Initial velocity) = ?
v (Final velocity) = u + at
u (Initial velocity) = v – at = 10 ms-1 – (2ms-2)3s
= 4 ms-1
∴ (Initial velocity) u = 4ms-1
Johny completes the bicycle ride with the final velocity of 10 ms-1 and acceleration 2 ms-2 within 3s. Calculate the initial velocity.
Answer:
Given: v (Final velocity) = 10 ms-1,
a (Acceleration) = 2ms-2,
t (Time taken) = 3 s
u (Initial velocity) = ?
v (Final velocity) = u + at
u (Initial velocity) = v – at = 10 ms-1 – (2ms-2)3s
= 4 ms-1
∴ (Initial velocity) u = 4ms-1
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