CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A watermelon seed has the following coordinates: x=-5.0 m, y=9.0 m and z=0 m. Find its position vector

(a) In unit-vector notation and as
(b) A magnitude and
(c) An angle relative to the positive direction of the x-axis


A

Insufficient data

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

5^i+9^j, 106, sin1(5106)

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

5^i+9^k, 106, cos1(5106)

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

5^i+9^j, 106, cos1(5106)

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

5^i+9^j, 106, cos1(5106)


(a) It's unit vector notation will be,5^i+9^j+0^k
(b)Magnitude=(5)2+(9)2+02 = 106
(c) Let the angle with the +ve direction of x-axis be α.
x component = |A| cosα
Given x component is -5
5=106 cosα
cos α=5106
α=cos1(5106)


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Distance and Displacement
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon