Name Victac Hov PY 103 Spring 2018 Motion -Test 1 Multiple Choice Identify the c
ID: 1581008 • Letter: N
Question
Name Victac Hov PY 103 Spring 2018 Motion -Test 1 Multiple Choice Identify the choice that best completes the statement or answers the question 1. The motion diagram of an object is given below t=Use 0 m 10 m 20 m 30 m 40 m Which of the following represents the corresponding acceleration-vs-time graph? c. C d. D a. A 2. Which of the following gruphs of displacement vs. time and velocity vs. time, shows a moving object changing direction? IV a. Graph I only b. Graph II only c. Graph III only d. Graph IV only e. Graphs II and IV f. Graphs III and IV 3. A toy car is given an initial velocity of 5,0 mils.If it experiences a consant acr ', what is th final velocity after 6.0 s? a. 10.0 m/s b. 11.0 m/s c. 16.0 m/s d. 17.0 m/sExplanation / Answer
1.
D
The acceleration is constant but directed in opposite direction of the initial velocity of the particle.
2.
D
the velocity is positive initially and decreases with time, becomes 0 and becomes negative with time.
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