In outer space, far from other objects, block 1 of mass 50 kg is at position m,

Question

In outer space, far from other objects, block 1 of mass 50 kg is at position m, and block 2 of mass 1200 kg is at position m. What is the (vector) gravitational force acting on block 2 due to block 1? It helps to make a sketch of the situation. grav = N At 4.5 seconds after noon both blocks were at rest at the positions given above. At 4.8 seconds after noon, what is the (vector) momentum of block 2? Prightarrow2 = kg middot m/s At 4.8 seconds after noon, what is the (vector) momentum of block 1? Prightarrow1 = kg middot m/s At 4.8 seconds after noon, what is the (vector) momentum of block 1? At 4.8 seconds after noon, which one of the following statements is true? Block 1 is moving faster than block 2. Block 1 and block 2 have the same speed. Block 2 is moving faster than block 1.

Explanation / Answer

a) magnitude of force = 6.6*10^-11 * 50*1200/(10*10) = 3.96*10^-8 vector form of force on block 2 by block 1 = (-3.96 *10^-8 ,0,0) b) vector moment of 2 = 1200 * (3.3*10^-11) *4.5 = ( 1.789*10^-7 ,0,0) c) block 1 moves faster than block 2

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