Train A is moving with a speed of 40 Km/h from North to South and train B is moving with a speed of 30 Km/h from South to North along the parallel track. The relative velocity of train B w.r.t. the train A is *
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2
Answer:
Answer
a.
v
BA
=
v
B
-
v
A
Hence, velocity of train B w.r.t train A is 144 km/h toward south.
b. Velocity of ground w.r.t. B
v
g,B
=v
g
−v
B
= 0 - 90$$
v
g,B
= -90 km/h
Hence, velocity of ground w.r.t train B is 90 km/h towards north.
c.
v
m,g
=
v
m,A
+
v
Ag
= 18 - 54 = -36 km/h
Hence, velocity of monkey will be 36 km/h toward north.
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answer :10kmh/h north
Explanation:
this is because. in a straight line.
velocity =speed.
according to the question
speed of train (a) =40km/h
speed of train (b) =30km/h
velocity of train ( a) =40km/h
velocity of train (b) =30km/h
relative velocity =velocity of (a)-(b)...
40km/h-30km/h=10km/h
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