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 800 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. At 4.3 seconds after noon both blocks were at rest at the positions given above. At 4.5 seconds after noon, what is the (vector) At 4.5 seconds after noon, what is the (vector) momentum of block 1? At 4.5 seconds after noon, which one of the following statements is true?

Explanation / Answer

m1 = 50 kg, m2=800 kg,

let's calculate teh displacement between two obkects,

Rx =20-8 =12 m

Ry= 5-5=0 m

R = 12 m

F acting on block 2 = Gm1m2/12^2 = 1853.88 x 10^ -12 N apprx

b) let's calculate the acceleration of the b;ock 2

a= F/m = 1853.88 x 10^ -12/ 800= 2.32 x 10^-12 m/s^2 apprx

P(momentum) = mv = m ( at) = 800 ( 2.32 x 10^-12 )( 0.2) = 3.707 x 10^-10 kgm/s

c) P ( for block 1 ) = 50 ( 2.32 x 10^-12 )( 0.2)= 2.32 x 10^-11 kg m/s

d)block 1 and block 2 have same speed

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