3. Which of the following does NOT undergo acceleration?
A. a car with constant speed moving in a circular path.
B. a car moving at 60 kph along a straight path
C a speeding motorcycles
a jeepney that comes to a complete stop
4. Describe the motion of a person not wearing a seat belt if the car stops suddenly.
A The person and car will stop together.
B. The person will stop faster than the car because they are lighter.
C. The car will stop and the person will keep moving forward because of inertia.
D. The car will stop and the person will speed up.
5. Which motion graph describe a person sitting while waiting?
B
C с
distance
distance
time
time
time
time
6. A duck flies 60 meters in 10 seconds. What is the duck's speed?
A 600 m/s
B. 50 m/s
C. 6 m/s
D. 70 m/s
7. What does the slope of a speed vs. time graph represent?
A. acceleration B. distance
C. displacement
D. speed
8. The vibration of particles of transverse wave moves in a direction
A. parallel to the direction of wave travel
B. opposite to the direction of wave travel
C. perpendicular to the direction of wave travel
D. back and forth to the direction of wave travel​