3
You visited us
3
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Physics
Uniform Motion
Question 10 s...
Question
Question 10 solution
10
.
A
c
a
r
i
s
m
o
v
i
n
g
o
n
a
s
t
r
a
i
g
h
t
r
o
a
d
d
u
e
n
o
r
t
h
w
i
t
h
a
u
n
i
f
o
r
m
s
p
e
e
d
o
f
50
k
m
h
-
1
w
h
e
n
i
t
t
u
r
n
s
l
e
f
t
t
h
r
o
u
g
h
90
°
.
I
f
t
h
e
s
p
e
e
d
r
e
m
a
i
n
s
u
n
c
h
a
n
g
e
d
a
f
t
e
r
t
u
r
n
i
n
g
,
t
h
e
c
h
a
n
g
e
i
n
t
h
e
v
e
l
o
c
i
t
y
o
f
t
h
e
c
a
r
i
n
t
h
e
t
u
r
n
i
n
g
p
r
o
c
e
s
s
i
s
(
A
)
z
e
r
o
(
B
)
50
2
k
m
h
-
1
S
-
W
d
i
r
e
c
t
i
o
n
(
C
)
50
2
k
m
h
-
1
N
-
W
d
i
r
e
c
t
i
o
n
(
D
)
50
k
m
h
-
1
d
u
e
w
e
s
t
.
Open in App
Solution
D
e
a
r
s
t
u
d
e
n
t
u
=
50
j
^
k
m
/
h
v
=
-
50
i
^
k
m
/
h
c
h
a
n
g
e
i
n
v
e
l
o
c
i
t
y
=
-
50
i
^
-
50
j
^
k
m
/
h
t
h
e
d
i
r
e
c
t
i
o
n
i
s
s
o
u
t
h
-
w
e
s
t
d
i
r
e
c
t
i
o
n
.
m
a
g
n
i
t
u
d
e
o
f
c
h
a
n
g
e
=
50
2
+
50
2
=
50
2
k
m
/
h
R
e
g
a
r
d
s
Suggest Corrections
0
Similar questions
Q.
A bus is moving on a straight road towards North with a uniform speed of
50
km/h. If the speed remains unchanged after turning through
90
o
, the increase in the velocity of the bus in the turning process is?
Q.
A motor car is going due north at a speed of 50 km/h. It makes a 90° left turn without changing the speed. The change in the velocity of the car is about
(a) 50 km/h towards west
(b) 70 km/h towards south-west
(c) 70 km/h towards north-west
(d) zero.