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Priyanshi
Subject: Physics
, asked on 7/5/18
Q.187. The graph shows the velocity variation of a moving object with time. The magnitude of the acceleration is maximum:
(a) at A
(b) between A and B
(c) at E
(d) between C and D
Answer
2
Souhardya Mazumdar
Subject: Physics
, asked on 3/5/18
Please solve question no. 8
Q.8. Given A . B = 0 and A
×
C = 0. what is the angle between B and C?
(a) 45
°
(b) 90
°
(c) 135
°
(d) 180
°
Answer
1
Shivam Sharma
Subject: Physics
, asked on 2/5/18
Solve this:
Q.1. If two forces act in opposite direction then their resultant is 10 N and if they act mutually perpendicular then their resultant is 50 N. Find the magnitudes of both the forces.
Answer
1
Shivam Sharma
Subject: Physics
, asked on 2/5/18
Solve this:
Q.1. If two forces act in opposite direction then their resultant is 10 N and if they act mutually perpendicular then their resultant is 50 N. Find the magnitudes of both the forces.
Answer
1
Ghosh Brothers
Subject: Physics
, asked on 2/5/18
A stone is projected vertically up from the ground reaches a height y in its path at t1 seconds and after t2 seconds reaches the ground. The height y is equal to
Answer
1
Ghosh Brothers
Subject: Physics
, asked on 2/5/18
A ball is projected vertically upwards with a velocity 25 m per second from the bottom of a tower. A boy who is standing at the top of a tower is unable to catch the ball when it passes him in the upward direction but the ball again reaches him after 3 second when it's falling. Now the boy catches it, then the height of the tower is ? Please solve it no, links...
Answer
1
Arpan Sadhu
Subject: Physics
, asked on 2/5/18
differentiate(dy/dx):-
A)y=ln(x
2
-3)
B)y=root(ax
3
+b)
C)y=acosx+bsinx
Answer
2
Guntas Dhillon
Subject: Physics
, asked on 29/4/18
Q. A bird moves from point (l, —2, 3) to (4, 2, 3). If the speed of the bird is 10 m/sec, then the velocity vector of the bird is
(A)
5
i
^
-
2
j
^
+
3
K
^
(B)
5
4
i
^
+
2
j
^
+
3
K
^
(C)
0
.
6
i
^
+
0
.
8
j
^
(D)
6
i
^
+
8
j
^
Answer
1
P R A G Y A
Subject: Physics
, asked on 29/4/18
https..../12611301
Answer
2
P R A G Y A
Subject: Physics
, asked on 29/4/18
i am not agreeing with the answer given just now to me by a meritnation expert ..#no offence
Answer
1
P R A G Y A
Subject: Physics
, asked on 29/4/18
Determine the vector which when added to the resultant of the vector Ä = 2i^ - 4j^ - 6k^ and vector B = 4i^ + 3j^ + 3k^, given the unit vector along x-axis
Answer
2
P R A G Y A
Subject: Physics
, asked on 29/4/18
Find the unit vector parallel to the resultant of the vector A= 2i^- 6j^- 3k^ and B = 4j^ + 3j^ - k^
Answer
1
Riya Jeprish
Subject: Physics
, asked on 28/4/18
Solve que 5 part two
Q.5. Find the magnitude and direction of resultant of vectors.
(ii)
Answer
3
Arpan Sadhu
Subject: Physics
, asked on 27/4/18
plz explain also
Q
.
)
r
→
1
=
4
i
^
+
2
j
^
+
k
^
r
→
2
=
2
i
^
+
3
j
^
+
2
k
^
Find
:
-
i
r
→
1
ii
r
→
2
iii
r
→
1
+
r
→
2
iv
r
→
1
-
r
→
2
v
r
→
1
+
r
→
2
vi
r
→
1
-
r
→
2
Answer
1
Arpan Sadhu
Subject: Physics
, asked on 27/4/18
prove this
Q. When
a
→
=
b
→
Prove that
a
→
+
b
→
=
a
→
-
b
→
Answer
1
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Next
What are you looking for?
(a) at A
(b) between A and B
(c) at E
(d) between C and D
Q.8. Given A . B = 0 and A C = 0. what is the angle between B and C?
(a) 45
(b) 90
(c) 135
(d) 180
Q.1. If two forces act in opposite direction then their resultant is 10 N and if they act mutually perpendicular then their resultant is 50 N. Find the magnitudes of both the forces.
Q.1. If two forces act in opposite direction then their resultant is 10 N and if they act mutually perpendicular then their resultant is 50 N. Find the magnitudes of both the forces.
A)y=ln(x2-3)
B)y=root(ax3+b)
C)y=acosx+bsinx
(A) (B)
(C) (D)
Q.5. Find the magnitude and direction of resultant of vectors.
(ii)
Q. When
Prove that