Last Updated On [03-11-2023]
Ship A is sailing towards north−east with velocity 
= 30
+ 50
km/hr where 
points east and 
, north. Ship B is at a distance of 80 km\east and 150 km north of Ship A and is sailing towards west at 10 km/hr. A will be at minimum distance from B in
(a)
2.2 hrs.
(b)
4.2 hrs.
(c)
3.2 hrs
(d)
2.6 hrs.
Ship A is sailing towards north−east with velocity = 30 + 50 km/hr where points east and , north. Ship B is at a distance of 80 km\east and 150 km north of Ship A and is sailing towards west at 10 km/hr. A will be at minimum distance from B in
(a)
2.2 hrs.
(b)
4.2 hrs.
(c)
3.2 hrs
(d)
2.6 hrs.
Question ID - 51160 :-
Ship A is sailing towards north−east with velocity = 30 + 50 km/hr where points east and , north. Ship B is at a distance of 80 km\east and 150 km north of Ship A and is sailing towards west at 10 km/hr. A will be at minimum distance from B in
(a)
2.2 hrs.
(b)
4.2 hrs.
(c)
3.2 hrs
(d)
2.6 hrs.
|
Ship A is sailing towards north−east with velocity |
|||
|
(a) |
2.2 hrs. |
(b) |
4.2 hrs. |
|
(c) |
3.2 hrs |
(d) |
2.6 hrs. |
A=30
+50
km/hr
BA =(80
+ 150
)km
B =(−10
)km/hr
BA=
B−
A=−10
−30
=−40
−50
Projection of
(
on 
BA=
=
=
∴t=
=
=2.6hrs
Next Question :
|
For the circuit shown, with R1 = 1.0 |
|||
|
(a) |
2.7 |
(b) |
3.7 |
|
(c) |
2.3 |
(d) |
3.3 |
, R2 = 2.0 
, E1 = 2 V and E2 = E3 = 4 V, the potential difference between the points ‘a’ and ‘b’ is approximately (in V)
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