SOLUTION: The initial distance between two particles is 0.3 km, The particles head towards each other at speeds of 1.5 m/s and 3.5 m/s respectively. a) When will they meet ? b) where will

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Question 371356: The initial distance between two particles is 0.3 km, The particles head towards each other at speeds of 1.5 m/s and 3.5 m/s respectively.
a) When will they meet ?
b) where will the meeting take place ?
Plot the graph
Please help

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Let say particle 1 start at x=0.
Particle 2 starts at x=300meters.
D%5B1%5D=0%2B1.5t
D%5B2%5D=300-3.5t
Find t when D%5B1%5D=D%5B2%5D
1.5t=300-3.5t
5t=300
t=60sec
When t=60,
D%5B1%5D=D%5B2%5D=1.5%2860%29=90m
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