Formula Review for Chapter 11 (Motion, Speed, & Acceleration) -- With Solutions

pg

Formula

Units

Word Problem

Solution

369

            D
V =    --------
            T

m/min

1) Find the velocity in meters per minute of a duck that swims 32m toward shore in 15min.

369

             D
V =    --------
             T

m/s

2) Find the velocity in meters per second of a football thrown 25m from in 12.5s.

369

            D
V =    --------
            T

km/hr

3) A runner goes 35km 5 hrs. What is his average velocity?

375

m/s/s

4) Nancy accelerates her bicycle along a straight path from 0m/s to 4.5 m/s in 6.2 s. Find her average acceleration.

375

km/hr/s

5) Fredís motorcycle goes from 3.5 km/hr to 58.5 km/hr in 10 s. What is his acceleration?

375

km/hr/min

6) Find the acceleration of a northbound passenger train that slows down from 58 km/hr to 2.6 km/hr in 3 min.

375

        FV-OV
A=   --------
            T

m/s/min

7) An otter swimming in a straight line toward shore has a speed of 0.65 m/s. After 5.0 min its speed is 0.85 m/s. What is the otterís acceleration?