Additional Problems from Handout

Chapter 10

1. The data given below were obtained for a cyclist via a video camera. Answer these questions according the given data:

Frame

Time (s)

Position (m)

3

0.10

7.0

4

0.11

27.5

5

0.12

33.0

6

0.13

37.5

7

0.14

50.0

a) The sampling frequency for the video camera?

b) What is the average velocity between frame 3 and 7?

c) What is the instantaneous velocity at the frame 5?

 

2. In a football punt, the initial velocity is 15 m/s and the initial projection angle is 40E. Answer these questions:

a) What is the initial vertical velocity?

b) What is the maximum height the ball will reach during the flight?

c) How far the ball will travel assuming landing on the same height?