a) x = 
at t = 5s

b) v = 
= 
at t = 5 s
v = 
c) a = 
= 28 - 12t
at t = 5 s
a = 28 -12*5= 28-60= -32 m/
d) At maximum positive coordinate velocity = 0
So, 

At t = 4.66 s

e) At t = 4.66 s
f) At maximum positive velocity a = 0


At t = 2.33 s
V = 
g) t = 2.33 s
h) When particle is not moving v = 0
So 

At t = 4.66 s
a = 
i) At t = 0s, X =0m
t = 5s, X = 100m
So, Displacement = 100m
Velocity = 
Answer:
D
Explanation:
on the left u see it says velocity
Life style are habits and standards that shape how you live
Answer:
c. expanded polyurethane
Explanation:
Thermal performance of a building fabric is measured in terms of heat loss and is expressed as U-value or R-value. U-value is the rate of heat transferred through a structure divided by the difference in temperature across the structure with a unit of measurement of W/m²K.You can calculate the U-value of a by getting the reciprocal of the sum of thermal resistances , R, making the building material.
If you have the value of R, then U=1/R
Material size R U
plywood 1" 1.25 0.8
Poured concrete 2" 0.99 1.010
Expanded polyurethane 1" 6.5 0.1538
Asbestos shingles 1" 0.03 33.33
The material with lowest U-value is expanded polyurethane
Answer:
Welllllll
Explanation:
It is at a relativley low cost. It also has high energy density and it is throium. We have more than 80 years worth of uranium.