Answer:
a = 132 m/s^2
Explanation:
f(t) = t^4 − 2t^3 − 6t^2 + 9t
v = f'(t) = 4t^3 - 6t^2 - 12t + 9
a = f''(t) = 12t^2 - 12t -12
Substitute t = 4 seconds into the equation for a:
a = 12(16) -12(4) -12 = 132 m/s^2
Answer:
B. Underwriters' Laboratories, Inc.
Explanation:
The Underwriters' Laboratories, Inc. conducts all kinds of security certifications, including electrical equipment, that's why you see the circular UL Certified logo on every electrical device sold in the US, including all electronic devices.
The National Fire Prevention Association develops standards for electricity installations in the workplace, the National Electric Code (for buildings) and other similar.
The National Electrical Manufacturers Association sets norms for the generation and transportation of energy, for the power providers.
Certified Ballast Manufacturers is just an association of electric ballast makers.
Answer:
Explanation:
Cryptiduwu avatar
A. The basic cause of Billy’s problem is neglectful father. Billy’s Dad ignores his son’s desire for attention and need for adhd treatment.
B. It’s hard to say what will happen to Billy but if this continues he will still feel doomed and not get his adhd treated. Billy will not feel happy until these problems and isolation are fixed.
C. Billy could move in with his mother if these problems prevail
Answer:
I can add 993 with 8
rabbit will take carrot in his mouth,fox will take rabbit to his mouth only one became.
towel???
four and five is nine.....
every,single and person only died others survived...
I used 1 iq lol
