Part (a) True or False: the acceleration of the car is constant? MultipleChoice : 1) True 2) False Part (b) Find the acceleration, in meters per square second, in the x-direction at t1 = 0.95 sec. Numeric : A numeric value is expected and not an expression. a(t1) =, Part (c) Find the acceleration, in meters per square second, in the x-direction at t = 1.5 sec. Numeric A numeric value is expected and not an expression. a(t2) =

Part (a) True or False: the acceleration of the car is constant? MultipleChoice : 1) True 2) False Part (b) Find the acceleration, in meters per square second, in the x-direction at t1 = 0.95 sec. Numeric : A numeric value is expected and not an expression. a(t1) =, Part (c) Find the acceleration, in meters per square second, in the x-direction at t = 1.5 sec. Numeric A numeric value is expected and not an expression. a(t2) =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.

Question

can you please do (a), (b) and (c)?

**Problem 2:**

A car moves on a straight road such that its position from a reference point is given by the following function:

\[ x(t) = 3 + 5t + 2t^2 + 0.4t^3, \, y(t) = 0, \, z(t) = 0 \]

where \( t \) is in seconds and \( x \) in meters.

---

**Part (a)** True or False: the acceleration of the car is constant?

**Multiple Choice**:

1) True
2) False

---

**Part (b)** Find the acceleration, in meters per square second, in the x-direction at \( t_1 = 0.95 \) sec.
**Numeric**: A numeric value is expected and not an expression.

\( a(t_1) = \) ________________________

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**Part (c)** Find the acceleration, in meters per square second, in the x-direction at \( t = 1.5 \) sec.
**Numeric**: A numeric value is expected and not an expression.

\( a(t_2) = \) ________________________

---

**Part (d)** Find the average velocity, in meters per second, in the x-direction between \( t_1 = 0.95 \) s and \( t_2 = 1.5 \) s.
**Numeric**: A numeric value is expected and not an expression.

\( v_{ave} = \) ________________________

---

**Part (e)** Find the average acceleration, in meters per second squared, in the x-direction between \( t_1 = 0.95 \) s and \( t_2 = 1.5 \) s.
**Numeric**: A numeric value is expected and not an expression.

\( a_{ave} = \) ________________________

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