Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

if two vectors P and Q acting at a point have the resultant of magnitude root 3Q making an angle 30 degree with the direction of P then P:Q is?

if two vectors P and Q acting at a point have the resultant of magnitude root 3Q making an angle 30 degree with the direction of P then P:Q is?

Grade:11

1 Answers

dhruba
17 Points
28 days ago
i hope u could make the figure there u can see that the angle between p vector and resultant vector equals 30 degree as given now complete the parallelogram and u get a traingle let the angle between r vector and q vector =theta  ….then angle between p vector and q vector =150-theta )angle sum property) ….now just apply the sine rule so 
you get sin 30^/q=sin theta/p =sin(150-theta)/root3q
 
then u get 
p/q=2sin theta
 
and sin(150-theta)=root3/2
so.150-theta=60 ….theta=90^
 
therefore p/q=2sin theta=2 x (sin 90^)=2
 

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free