Determine the mechanical energy of this object:
a 1kg ball sits on a 10 meter high cliff

a.980j

b. the ball isn't moving. so the mechanical energy is zero

c.98j

d. 10j

Five different substances are given to you to be dissolved in water. which substances are most likely to undergo dissolution in water? check all that apply. view available hint(s) check all that apply. sodium fluoride, naf octane, c8h18 propanol, ch3ch2ch2oh potassium iodide, ki benzene, c6h6