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Author Question: The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t ... (Read 23 times)

amal

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on: Jul 29, 2018
The position x, in meters, of an object is given by the equation x = A + Bt + Ct2, where t represents time in seconds. What are the SI units of A, B, and C?
 
  A) m, s, s2
  B) m/s, m/s2, m/s3
  C) m, s, s
  D) m, m, m
  E) m, m/s, m/s2

Question 2

A 7.0-kg rock is subject to a variable force given by the equation
   F(x) = 6.0 N - (2.0 N/m)x + (6.0 N/m2)x2
  If the rock initially is at rest at the origin, find its speed when it has moved 9.0 m.
 
  What will be an ideal response?


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karmakat49

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Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

20 m/s


amal

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Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

chereeb

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Reply 3 on: Yesterday
Wow, this really help

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