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USPshnik [31]
3 years ago
11

If two vectors point in opposite directions, their cross product must be zero. True False

Physics
1 answer:
zepelin [54]3 years ago
8 0

Answer:

True

Explanation:

Because AxB=lAllBlsin(x)

and x is the angle between them

so, the angle is 180° and sin180 is zero.

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A 50.0 kg crate is pulled 375 N of force applied to a rope. The crate slides without friction.
LUCKY_DIMON [66]

Hi there!

We can use the work-energy theorem to solve.

Recall that:

\large\boxed{W = \Delta KE = \frac{1}{2}mv_f^2 - \frac{1}{2}mv_i^2}

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