PHYS 2321 In-Class Exercise: 1-D Kinematics No Book, No Notes, No Calculator, No

Question

PHYS 2321 In-Class Exercise: 1-D Kinematics No Book, No Notes, No Calculator, No Friends, Just Your Remote Transmitter Name.. The two questions relate to the definitions and the figure shown below 1. The average velocity in the time interval t = 1.5 s to t = 4.0 s is a) 2.4 m/s b) 3.8 m/s c) 4.0 m/s d) 6.0 m/s e) -8.0 m/s 2. The instantaneous velocity at t = 2.0 s is a) 2.4 m/s b) 3.8 m/s c) 6.0 m/s d) -8.0 m/s e) 12.0 m/s The average velocity of a particle moving in one dimension during some time interval is equal to the ratio of the displace- ment and the time interval [2.2] The instantaneous velocity of a particle is defined as the at as 1 approaches zero: limit of the ratio [2.3] a(im) 10 6 Figure P2.7

Explanation / Answer

1 C part

2 c part

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