Alice ((7.500x10^1) kg) and Bob ((8.5x10^1) kg) are standing at rest on friction free ice. Alice pushes Bob causing Bob to accelerate at (2.300x10^0) m/s^2. What is the magnitude of Alice’s acceleration?

Question

Alice ((7.500x10^1) kg) and Bob ((8.5x10^1) kg) are standing at rest on friction free ice.  Alice pushes Bob causing Bob to accelerate at (2.300x10^0) m/s^2.  What is the magnitude of Alice’s acceleration?

bobpursley · Answer

Ma*Va=-MbVb Valice= - Mb/Ma * Vb for magnitude, ignore the negative sign (direction)