2. 6) gas pedal, brakes; steering wheel 16) speed 17) acceleration
Ch 4 Homework
6) gas pedal, brakes; steering wheel
16) speed
17) acceleration
25) a. A, C, B b. C, A = B (0) c. A, C, B

5. 48) 0m/s; 9.80 m/s2 v and a are not the same

6. 48) 0m/s; 9.80 m/s2 v and a are not the same

7. 1. A change in position with respect to the earth’s surface motion
Ch 4 Jeopardy
Motion
1. A change in position with respect
to the earth’s surface
motion
2. Distance covered per unit of time
Speed
3. Unit of speed
m/s
4. Avg speed on 250 km trip
taking 5.0 hrs
50. km/hr
5. Displacement of trip 280. m N
and 20. m S (give dir)
260. m N

8. Velocity & Acceleration
1. Change in velocity divided by time
acceleration
2. (True/False) Velocity is constant
when going a curve at 50 mph
false
3. Acceleration at top of path for
a ball thrown upward
9.80 m/s2
4. Acceleration of dog going from
0 to 20. m/s in 4.0 s
5.0 m/s2
5. Velocity of Humpty as he hits
ground when falling 2.00 s
19.6 m/s

9. Distance A B C 10 m/s Distance vs. Time Graph 1. Quantity on Y-axis
2. Where slope is + A
3. Where velocity is 0 B
4. Where speed is max C
5. Speed during C
10 m/s

10. Time 10 m/s Velocity vs. Time Graph 1. Quantity on X-axis
2. Velocity at 1.0 s
5.0 m/s
3. Velocity at 2.0 s
10 m/s
4. Acceleration =(value)
5 m/s2
5. Distance traveled during first 3.0 s
22.5 m