Test 2 confusion

$\lambda=\frac{h}{p}$

Nawaphan Watanasirisuk 3B
Posts: 58
Joined: Tue Nov 28, 2017 3:03 am

Test 2 confusion

Can someone explain why these 2 answers are wrong?

The first picture is 3b. Kinetic energy is 2x10^-19
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Elaine Pham 2E
Posts: 58
Joined: Fri Sep 28, 2018 12:28 am
Been upvoted: 1 time

Re: Test 2 confusion

For #2, I think you got all the calculations right, but you might have gotten points off because of units. You needed to put meters after your calculation for the minimum delta x. But I'm not sure if that's just 1 point off or 2!