Question

What happens when we multiply a vector by-2?
(1) Direction reverses and unit changes
(2) Direction reverses and magnitude is doubled
(3) Direction remains unchanged but unit changes
(4) Neither direction reverses nor unit changes but
the magnitude is doubled
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Answer 1

When we multiply a vector by -2

(2) Direction reverses and magnitude of doubled.

Cheers!

Answer 2

Answer:

• 2) Direction reverses and magnitude is doubled