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1- A (100 gm) bullet is fired horizontally (Vb=600 m/s) into 5 kg block at rest....

1- A (100 gm) bullet is fired horizontally (Vb=600 m/s) into 5 kg block at rest. The bullet comes out from the block (vb’ = 450 m/s) and the block slides 7 m, before it stops. The acceleration of the Block is??

2-A boy throws the ball v = 18m/s and θ=40o. The coordinates of Maximum Height point B are?

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