1. A passenger vehicle with a speed of 20 m/s slowed down to 10 m/s in 10 seconds. What is its acceleration? 2. Just yesterday John and Mary were given assignments to record the measured distance and time spent in walking from their home to the school. John's home is 400 meters while Mary is 200 meters away from the school. It took 400 seconds for John while Mary needed 200 seconds to reach the school. a. What is the speed of John? Mary? b. Compare how fast John walked than Mary? 3. A person travels from Cavite to Manila at the rate of 45 miles per hour and comes backs to

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