a shopping cart with a mass of 45.00 kg is released at a height of 4.2 m at the top of the stores entrance ramp. what is the carts velocity at the bottom of the ramp?

The question is incomplete. complete question is attached belowanswer: correct answer is option b  i.e.  solid particles  reason: filter paper has small pores, through which smaller particles can pass through. however, solid particles  have relatively larger size. hence, they are least likely to pass through.

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#2- the hno3 has a h+ ion and the naoh has an oh- ion