The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by x = 0.7m x cos (2,8 t - 0.8). kg. The block is of mass 1.78 J. The total energy of the system is 3.43 What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy? m/s². The acceleration of the block at t = 0.3 s is S.
The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by x = 0.7m x cos (2,8 t - 0.8). kg. The block is of mass 1.78 J. The total energy of the system is 3.43 What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy? m/s². The acceleration of the block at t = 0.3 s is S.
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![The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by
* = 0.7m x cos (²
(2,8 t -
- 0.8).
The block is of mass 1.78
kg.
J.
The total energy of the system is 3.43
What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy?
m/s².
The acceleration of the block at t = 0.3 s is
S.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F784f3e46-996f-4745-8f5f-9eecd92adb69%2F256348a0-46b0-40eb-88aa-76067fa2c2e5%2Fnvjude_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The displacement of a block attached to a horizontal spring whose spring constant is 14N/m is given by
* = 0.7m x cos (²
(2,8 t -
- 0.8).
The block is of mass 1.78
kg.
J.
The total energy of the system is 3.43
What is the earliest time (t > 0) when the kinetic energy equals one-half the potential energy?
m/s².
The acceleration of the block at t = 0.3 s is
S.
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