Question

?

Answer 1

gpe-mgh for the first right

Answer 2

yes

Answer 3

gpe=mgh

Answer 4

so gpe=(3.8)(9.8)(2.6)=96.82J

Answer 5

good

for b) all the initial pE is converted into kE so the value (96.82Jis the same)

Answer 6

for c) set kinetic energy equal to (1/2)mv^2 and find v

Answer 7

so b is the same: 96.82J

Answer 8

yes

Answer 9

7.14

Answer 10

J

Answer 11

velocity is m/s not joules

Answer 12

oops

Answer 13

value is good though

Answer 14

cool