Physics gr. 12
posted by Luna
Rick and Glen are cornered by zombies as they tend to be in each episode. In this particular episode, Glen fires a grappling hook with a rope attached up to the roof of the building they are standing beside. Glen takes a quick look at the bag the rope came in which states a maximum tension of 1000.0 N. Glen calculates that his mass 65.5 kg and Rick's mass of 80.0 kg will be too much for the rope to bear so he climbs the 10 m to the roof as quickly as he can...meanwhile the zombies edge ever closer to Rick. The zombies are almost at him so he must climb as fast as he can up the rope to avoid being bitten. To do this, he will climb with a constant acceleration. What is the minimum time in which he can scale the rope?
I don't know if im doing this right but these are the steps i did:
FtFg=ma (using Rick's mass)
1000(80)(9.8)=(80)a
a=2.7
d=vit+1/2at^2
10= 1/2(2.7)t^2
t=2.7s
so it will take Rick 2.7s to scale the rope.
can someone please tell me if this is right? its part of an assignment

Damon
You went about this correctly. I did not check the arithmetic.
Respond to this Question
Similar Questions

math
this year Ben is 4/7 as old Glen. Fifteen years fromnow Ben will be 3/4 as old as Glen. At that time he sum of thier ages will be 63. How old are Ben and Glen now? 
math
This year Ben is 4/7 as old as Glen. Fifteen years from now, Ben will be ¾ as old as Glen. At that time, the sum of their ages will be 63. How old are Ben and Glen now? 
Math
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
math
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
Math
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
Math
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
math
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
Calculus
A major corporation is building a 4325 acre complex of homes, offices, stores, schools, and churches in the rural community of Glen Cove. As a result of this development, the planners have estimated that Glen Clove's population (in … 
physics
Batman is standing on a cliff 120 m high. He is testing a new bat grappling hook. He fires the hook with an initial velocity of 85 m/s at an angle of 45o with respect to the horizontal. How far from the base of the cliff (d) does the … 
social
what episode is kourtney and kims fight in miami?