Vectors Help

If the position vectors (-jcap-kcap), (4icap+5jcap+lambdakcap), (3icap+9jcap+4kcap) and (-4icap+4jcap+4kcap)are coplanar, than the value of lambda is 1. -1 2. 0 3. 1 4. 2 Please give your choice with explanation Please specify that what is the condition of coplanar...

A man walks 18.5 km west, 24.0 km at 30 degrees northwest and then 12.0 km north. Show that the order of adding the vectors does not affect the resultant (to demonstrate make two diagrams for this). What is his resultant displacement? What distance did he walk?

An electronic score board of mass 500 kg is suspended from a ceiling making an angle of 70 degrees with the ceiling.The weight is evenly distributed. Determine the tension in the cables in newtons

My name is chris and I am currently attending ITT technical. My question is how to do vector problems in trig.

I'm facing problem how to visualise vevtors when our sir teaches.......what exactly are vectors how do they look like ....how can we easily understand these properties such as rings etc