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Mathematics 12 Online
zarkam21:

Help please with this question math/physics

zarkam21:

1 attachment
sillybilly123:

|dw:1516718730756:dw|

sillybilly123:

in ref frame #1, car 1 is at rest. - the earth is moving East at 45mph. - car 2 is moving a further 30mph wrt the earth so add em up

zarkam21:

75

zarkam21:

@sillybilly123

sillybilly123:

75 **East**

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