X(t) = 1/2sin t + cos (2t)
speed = x'(t) = 1/2cos t - 2sin(2t)
acceleration = x''(t) = -1/2sin t - 4cos(2t)
When t = pi/2,
acceleration = -1/2sin(pi/2) - 4cos(pi) = -1/2 - 4(-1) = -1/2 + 4 = 3 1/2 = 7/2 m/s^2
Answer:
0.00001
Step-by-step explanation:
Answer:
839,000
Step-by-step explanation:
I would like to know what the question is thank you
Answer:
C
Step-by-step explanation:
The correct answer would be . Therefore, none of the answer choices fulfill this and A and B are not correct.