The ball with mass of 0.1 kg moving at a speed of 20 m/s, the stick hits it with a force of 1.000 N in the opposite direction so that its speed becomes 40 m/s².
Fisika
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Pertanyaan
The ball with mass of 0.1 kg moving at a speed of 20 m/s, the stick hits it with a force of 1.000 N in the opposite direction so that its speed becomes 40 m/s². what is the duration of stick touches the ball?
2 Jawaban
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1. Jawaban cingcang
MOMENTUM
m = 0,1 kg
Vi = 20 m/s
Vt = - 40 m/s
F = - 1000 N
t = __?
I = ∆p
F t = m (Vt - Vo)
-1000 t = 0,1 (-40 - 20)
-1000 t = -6
t = 6/1000 s ← ans -
2. Jawaban Anonyme
The unit of velocity is m/s !
I = Δp
FΔt = m(v - v₀)
Δt = m(v - v₀) / F
= (0,1 kg)(-40 m/s - 20 m/s) / (-1000 N) = 6 x 10⁻³ s