# Straight Line Motion Questions Help

## Homework Statement

The questions and my answers are all on the attachment below
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## The Attempt at a Solution

#### Attachments

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The thumbnails are barely legible. Please transcribe the specific questions for which you need help and your attempts at answering them.

verty
Homework Helper
Man005, perhaps you could start by explaining your thought process for question 10.

um if you could check 9 and then through from 12-19 would be good
7 should be B
8 should be A
and 9 should be C
forgot to check that

um for 10? just made a triangle and found hypotenuse?

7 should be B
8 should be A
and 9 should be C
agreeded for 7 and 8, think again about 9..

hint - if you deduct a vector, it's the same as adding one of the opposite direction

hmm i did the same thing as the others (use the parallelogram method) and i got c
cant see what ive done wrong :S unless the 2 affects the method in some way