3. At a construction site, a brick with a mass of 1.5 kg is perched 34.5 m above the ground. What is the brick’s potential energy?

507.15 J

Explanation:

PE=mgh

Here.

m=1.5 kg

g=9.8m/s^2

h=34.5

Now,

PE=mgh

1.5*9.8*34.5

507.15 J

a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be? a long strand of spaghetti is folded once. if this is cut 20 times, how many pieces of spaghetti will there be?

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answer; (d) spontaneous processes are characterized by the overall conversion of order to disorder;