Two children are pulling and pushing a 30.0 kg sled. The child pulling the sled is exerting a force of 12.0 N at a 45o angle. Th
e child pushing the sled is exerting a horizontal a force of 8.00 N. There is a force of friction of 5.00 N. What is the acceleration of the sled? Round the answer to the nearest hundredth
2 answers:
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- The angle between the two vectors is 90° .
- The dot product of two vectors .
- The cross product of two vectors .
⚡ Let and
are the two vectors .
✍️ We have know that,
Where,
- θ = 90°
- cos 90° = <u>0</u>
[1] The dot product of two vectors is “ <u>0</u> ” .
✍️ We have know that,
Where,
- θ = 90°
- sin 90° = <u>1</u>
[2] The cross product of two vectors is “ <u>ab</u> ” .