- #1

- 6

- 0

What i did was:

.5mv^2=gmD(cos20)

.5(2.1x10^3)(3.8)^2=4.0x10^3d(cos 20) and got d= 7.1

I check the back of y book and the answer is 5.1. What did I do wrong? Did I use the wrong formula? How do I go about solving this problem?

- Thread starter Merlan114
- Start date

- #1

- 6

- 0

What i did was:

.5mv^2=gmD(cos20)

.5(2.1x10^3)(3.8)^2=4.0x10^3d(cos 20) and got d= 7.1

I check the back of y book and the answer is 5.1. What did I do wrong? Did I use the wrong formula? How do I go about solving this problem?

- #2

rock.freak667

Homework Helper

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