Need Help Solving Physics Word Problem

Physics
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A cat chases a mouse across a 1.5 m high table. The mouse steps out of the way, and the cat slides off the table and  strikes the floor 1.1 m from the edge of the table. The acceleration of gravity  is 9.81 m/s ^2
What was the cat’s speed when it slid off the table?
Answer in units of m/s.

Jun 20th, 2015

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Jun 20th, 2015

Looks like a Projectile Motion Question 
Dy = -1.5m 
Dx = 1.1m 
Vy = 0, Since you are not moving up 
ay = 9.81m/s^2 

Dy = Vyt + 0.5ayt^2 
-1.5 = 0 + 0.5(-9.81)t^2 
-1.5/-4.9 = t^2 
t = 0.55s,  

Dx = Vxt 
1.1 = Vx0.55 
Vx = 1.1/0.55 
= 2 m/s 
Therefore the cat's speed when it slid off the table is probably 2 m/s [Horizontal]


Jun 20th, 2015

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