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Vatsal
Subject: Physics
, asked on 12/8/17
Solve this :
In uniform circular motion particle moves with speed 5 m/s, then the change in magnitude of velocity of particle, when it moves from position A to B is
a
)
5
2
m
/
s
b
)
10
m
/
s
c
)
Z
e
r
o
d
)
2
.
5
m
/
s
Answer
2
Dhaval
Subject: Physics
, asked on 13/8/17
a man walks in rain with a velocity of 5km/h. The rain drops stike at an angle of 45 with the horizontal. Velocity of the rain if it is falling vertically downward:
Answer
2
Husain
Subject: Physics
, asked on 10/6/19
A swimmer A who want to reach directly at point B on the other bank of the river swims with minimum possible speed with respect to river and reaches directly at point B if width of river is w and river flows with velocity V then time in which swimmer crosses the river is
13. A swimmer A who want to reach directly at point B on the other bank of the river swims with minimum possible speed with respect to river and reaches directly at point B. If width of the river is
w
and river flows with velocity
v
0
, then time in which swimmer crosses the river, is
(
1
)
25
w
16
v
0
(
2
)
25
w
12
v
0
(
3
)
16
w
25
v
0
(
4
)
12
w
25
v
0
Answer
2
Dhaval
Subject: Physics
, asked on 10/7/17
The sum of the magnitude of two vector is 18 and the magnitude of their resultant is 12.If the resultant is perpendicular to one of the vectors, then what are the magnitude of the two vectors?
Answer
1
Vinanti Tejwani
Subject: Physics
, asked on 25/6/17
Please solve 4th mcq
Answer
3
Devraj
Subject: Physics
, asked on 4/9/18
A motor car moving with a uniform speed of 20 m/sec comes to stop on the application of brake after travelling a distance of 10 m Its acceleration is
Answer
1
Keyur
Subject: Physics
, asked on 5/11/18
A projectile 'A' is projected from the ground. An observer B is running on the ground with uniform velocity of magnitude 'v' observes A to move along a straight line. The time of flight of A as measured by B is T. Then the range R of projectile on ground is :-A. R=vTB. R
vTD. Information insufficient to draw interface
Answer
2
Ayan
Subject: Physics
, asked on 8/8/17
A particle projected with velocity 50m/s at an angle 60with horizontal .The time after which the velocity will make 45 degree with horizontal is
Answer
1
Kundawala Malekulaster Joyebbh...
Subject: Physics
, asked on 28/9/17
Q12
Answer
4
Dhaval
Subject: Physics
, asked on 12/7/17
what is the component of 3i^+4j^ along i^+j^?
Answer
1
Kohav Yadav
Subject: Physics
, asked on 1/8/17
If the resultant of the vector
(
i
^
+
2
j
^
-
k
^
)
,
(
i
^
-
j
^
+
2
k
^
)
a
n
d
C
→
is unit vector along the y direction t, tan
C
→
is:
A) -
2
i
^
-
k
^
B) -
2
i
^
+
k
^
C)
2
i
^
-
k
^
D)
2
i
^
+
k
^
Answer
0
Yash
Subject: Physics
, asked on 26/6/17
A sail boat sail 2 km due east , 5 km 37° south of east and finally an unknown displacement .If the final due east displacement of the boat from the starting point in 6 km the third displacement is
Answer
0
Shubham
Subject: Physics
, asked on 22/6/17
Solve this:
Answer
0
Kaushal
Subject: Physics
, asked on 29/7/17
An aerplane is flying at a height of 1960m in horizontal direction with the velocity of 360km/h. When it is vertically above the ground ,
Answer
1
Mer Disha
Subject: Physics
, asked on 2/10/17
Bullets are fired with the same initial velocity V in different direction on a plane surface this Bullet sold fall on maximum area of dash on the surface
Answer
0
1
2
3
4
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What are you looking for?
In uniform circular motion particle moves with speed 5 m/s, then the change in magnitude of velocity of particle, when it moves from position A to B is
13. A swimmer A who want to reach directly at point B on the other bank of the river swims with minimum possible speed with respect to river and reaches directly at point B. If width of the river is w and river flows with velocity v0, then time in which swimmer crosses the river, is
If the resultant of the vector is unit vector along the y direction t, tan
is:
A) - - B) - + C) - D) +