on two parallel railway tracks train A and train B are moving in opposite direction , if train A moves at 45 kmh and train B moves at 70kmh . Calculate the relative speed of (a) train B w.r.t A (b) train A w.r.t train B , (c) ground w.r.t A
Answers
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0
Answer:
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.
Explanation:
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Answer:
-36 km/h id ghffufuifyddu vvkh
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