Question

III. Multiple Choice. The acceleration of a moving object is given by the function: a=8t+4. The object is initially 2 m from the origin and moving to the right with a speed of 2 m/s. a. the velocity at t=3 s. (A) 37 m/s (B) 43 m/s (C) 50m/s (D) 62 m/s (E) 78 m/s b. the displacement of the object during first 3 s. (A) 15 m (B) 20 m (C) 25 m (D) 30 m (E) 60m

          III. Multiple Choice. The acceleration of a moving object is given by the function: a=8t+4. The object is initially 2 m from the origin and moving to the right with a speed of 2 m/s.
a. the velocity at t=3 s.
(A) 37 m/s (B) 43 m/s (C) 50m/s (D) 62 m/s (E) 78 m/s
b. the displacement of the object during first 3 s.
(A) 15 m (B) 20 m (C) 25 m (D) 30 m (E) 60m

III. Multiple Choice. The acceleration of a moving object is given by the function: a=8t+4. The object is initially 2 m from the origin and moving to the right with a speed of 2 m/s.
a. the velocity at t=3 s.
(A) 37 m/s (B) 43 m/s (C) 50m/s (D) 62 m/s (E) 78 m/s
b. the displacement of the object during first 3 s.
(A) 15 m (B) 20 m (C) 25 m (D) 30 m (E) 60m

Added by Jeffery C.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

10/06/2022

Step 1

- Acceleration function: \( a(t) = -8t + 4 \) - Initial position: \( x(0) = 2 \) m - Initial velocity: \( v(0) = 2 \) m/s Show more…

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Multiple Choice: The acceleration of a moving object is given by the function: a = 8t + 4. The object is initially 2 m from the origin and moving to the right with a speed of 2 m/s. a. the velocity at t = 3 s. (A) 37 m/s (B) 43 m/s (C) 50 m/s (D) 62 m/s (E) 78 m/s b. the displacement of the object during first 3 s. (A) 15 m (B) 20 m (C) 25 m (D) 30 m (E) 60 m