Find the Acceleration of a Particle with the Following Position $$\mathbf { r } ( t ) = \left\langle 2 t ^ { 2 } - 2,4 t \right\}$$

question 115

Multiple Choice

Find the acceleration of a particle with the following position function.
$$\mathbf { r } ( t ) = \left\langle 2 t ^ { 2 } - 2,4 t \right\}$$
Select the correct answer.

• A) \(\mathbf { a } ( t ) = 4 \mathbf { i }\)
• B) \(\mathbf { a } ( t ) = 2 t \mathbf { i } + 2 \mathbf { j }\)
• C) \(\mathbf { a } ( t ) = ( 2 + 4 t ) \mathbf { i } - 2 \mathbf { j }\)
• D) \(\mathbf { a } ( t ) = 2 \mathbf { i } - \mathbf { j }\)
• E) \(\mathbf { a } ( t ) = 4 t \mathbf { i } + 2 \mathbf { j }\)

Comprehend key ethical principles guiding psychological research, including the protection of participant dignity and the use of deception.

Understand the empirical basis of psychology and how research findings evolve and are evaluated in a sociohistorical context.

Grasp the importance and methods of ensuring objectivity in psychological research, including double-blind procedures.

Recognize the contribution of naturalistic observation to understanding behavior and social structures.

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