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Question

An object of mass m

style="color:rgb(34,12,4);">=

2.3

±

0.1

kg

m=2.3±0.1kg

 moves at a speed of v

=

1.25

±

0.03

m/s

v=1.25±0.03m/s

. Calculate the kinetic energy (K

=

1


2

m

v

2

K=12mv2

) of the object and estimate the uncertainty δ

K

δK

.

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# Culver, m = 2.3 folkg Q V = 1.25 + 0.03 m/s
a) kinetic energy is given by = 1 my 2
= X X 2 . 3 X 1 . 25 = 1 . 79687J
2
6) for uncertainly, Kmax ( kinetic energy) = _ m max
U 2
max
= 015 x ( 2 . 3...

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