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Recent questions tagged physics and mathematics
+3
votes
1
answer
If A, B, C are mutually perpendicular, show that Cx(AxB)=0. Is the converse true?
asked
Mar 30, 2019
in
Mathematics
by
kratos
class-11
physics and mathematics
cbse
+2
votes
1
answer
Is a vector necessarily changed if it is rotated through an angle?
asked
Mar 29, 2019
in
Mathematics
by
kratos
class-11
class-12
physics and mathematics
+3
votes
1
answer
A complex containing K^+, Pt(IV) and Cl¯ is 100% ionised giving i = 3.Thus, complex is :
asked
Mar 28, 2019
in
Mathematics
by
kratos
neet
solutions
cbse
class-11
physical chemistry
physics and mathematics
jee mains 2019
dilute solutions
colligative properties
class-12
+1
vote
1
answer
A vector A makes an angle of 20° and vector B makes an angle of 110° with the X-axis
asked
Mar 17, 2019
in
Mathematics
by
kratos
class-11
class-12
physics and mathematics
cbse
+2
votes
1
answer
There are 3 books on Mathematics, 4 on Physics and 5 on English. How many different collections can be made such that each collection consists of
asked
Mar 14, 2019
in
English
by
kratos
organic chemistry
maths
class-11
jee
physical chemistry
physics and mathematics
permutations and combinations
english language
permutations
jee mains
sets
+1
vote
1
answer
A situation may be described by using different sets of coordinate axes having different orientations.
asked
Mar 11, 2019
in
Mathematics
by
kratos
magnetism
jee
physics and mathematics
class-10
magnetic effect of current
jee mains
the human eye and the colourful world
class-12
+2
votes
1
answer
The length of the string of a simple pendulum is measured with a meter scale to be 92.0 cm, the radius of the bob
asked
Mar 10, 2019
in
Mathematics
by
kratos
rotational motion
circular motion
oscillations
class-11
jee
physics and mathematics
simple harmonic motions
jee mains
oscillatory motion
bitsat
+2
votes
1
answer
A vector is not changed if (a) it is rotated through an arbitrary angle ,
asked
Mar 9, 2019
in
Mathematics
by
kratos
refraction of light
cbse
motion in a plane
class-11
jee
physics and mathematics
jee mains
class-12
+1
vote
1
answer
Let α and β be the angles made be A and -A with the positive X-axis. Show that Tanα = Tanβ. Thus, giving Tanθ
asked
Feb 27, 2019
in
Mathematics
by
kratos
trigonometry
upsee
jee
physics and mathematics
trigonometric identities
class-10
jee mains
class-12
+3
votes
1
answer
Answer the following best question
asked
Feb 25, 2019
in
English
by
kratos
organic chemistry
determinant
cbse
trigonometry
maths
circles
jee
physics and mathematics
physical chemistry
ncert
class-9
class-10
english language
+3
votes
1
answer
A vector A points vertically upward and B points towards north. The vector product A x B is
asked
Feb 24, 2019
in
Mathematics
by
kratos
vector algebra
cbse
class-11
jee
physics and mathematics
jee mains
magnetic effects of current
class-12
+3
votes
1
answer
The changes in a function y and the independent variable x are related as dy/dx = x^2
asked
Feb 24, 2019
in
Mathematics
by
kratos
class-11
physics and mathematics
cbse
+2
votes
1
answer
Can a vector have zero component along a line and still have nonzero magnitude?
asked
Feb 15, 2019
in
Mathematics
by
kratos
class-11
class-12
physics and mathematics
+3
votes
1
answer
The diameter of a cylinder is measured using a vernier callipers with no zero error. It is found that the zero of the vernier
asked
Feb 15, 2019
in
Mathematics
by
kratos
class-11
jee
physics and mathematics
jee mains
units and measurements
+3
votes
1
answer
Refer to figure (2-E1). Find (a) the magnitude, (b) x and y components and
asked
Feb 13, 2019
in
Mathematics
by
kratos
class-11
class-12
physics and mathematics
cbse
+2
votes
1
answer
A vector is not changed if (a) it is rotated through an arbitrary angle
asked
Feb 10, 2019
in
Mathematics
by
kratos
class-12
class-11
physics and mathematics
cbse
+3
votes
1
answer
Find the area bounded under the curve y = 3x^2 + 6x + 7 and the X-axis with the ordinates at x = 5 and x = 10.
asked
Jan 31, 2019
in
Mathematics
by
kratos
class-11
physics and mathematics
application of integral
class-12
area of bounded regions
+3
votes
1
answer
Let vector C = vector A + vector B. (a) | vector C | is always greater than | vector A |
asked
Jan 31, 2019
in
Mathematics
by
kratos
class-11
class-12
physics and mathematics
+3
votes
1
answer
The x-component of the resultant of several vectors (a) is equal to the sum of the x-components of the vectors
asked
Jan 29, 2019
in
Mathematics
by
kratos
class-12
class-11
physics and mathematics
cbse
+3
votes
1
answer
The force on a charged particle due to electric and magnetic fields is given by vector F
asked
Jan 17, 2019
in
Mathematics
by
kratos
class-11
physics and mathematics
cbse
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