Asked by Emily
Two rugby players are running towards each other. They are 37 m apart. If one is accelerating from rest at 0.5 m/s^2 and the other was already moving at 3.1 m/s and maintains her speed, a)how long before they crunch together? b)How fast was the accelerating player going?
c)How far has each player run?
c)How far has each player run?
Answers
Answered by
bobpursley
d1=1/2 .5 t^2
d2=3.1t
but d1+d2=37, and at collision, the times are the same.
1/2 .5 t^2 + 3.1t=37
this is a quadratic, so it can be solve with the quadratic equation.
d2=3.1t
but d1+d2=37, and at collision, the times are the same.
1/2 .5 t^2 + 3.1t=37
this is a quadratic, so it can be solve with the quadratic equation.
Answered by
Anonymous
7.45