Answer:

Answer key:

1.A CAR TRAVELS ALONG STARAIGHT ROAD 100M EAST THEN 50 M EAST. FIND DISTANCE AND DISPLACEMENT OF THE CAR. 2.A MAN WALKS 20 KM IN 4 HOURS. FIND HIS SPEED. 3.A BOY WALKS AT A SPEED OF 4 KMPH.HOW MUCH TIME DOES HE TAKE TO WALK A DISTANCE OF 20 KM? 4.A CYCLIST COVER A DISTANCE OF 15 MILES IN 2 HOURS. CALCULATE HIS SPEED. 5.JOHN DROVE FOR 3 HOURS AT A RATE OF 50 MILES PER HOUR AND FOR 2 HOURS AT 60 MILES PER HOUR. WHAT WAS HIS AVERAGE SPEED FOR THE WHOLE JOURNEY? 6.A CAR TRAVELS AT UNIFORM VELOCITY A DISTANCE OF 100 M IN 4 SECONDS.WHAT IS THE VELOCITY OF THE CAR?

1. In this case, distance of the car is equal to 100 m + 50 m = 150 meters. The shortest path covered by the car is called its displacement. It is given by : Hence, the distance and displacement of the car is 150 m and 111.8 m respectively.

2. Nasa pic po ang answer

3. 5 hours

A boy walks at a speed of 4 kmph. How much time does he take to walk a distance of 20 km? Time = Distance / speed = 20/4 = 5 hours.

4. A cyclist covers a distance of 15 miles in 2 hours. Calculate his speed. Speed = Distance/time = 15/2 = 7.5 miles per hour.

5. Example: John drove for 3 hours at a rate of 50 miles per hour and for 2 hours at 60 miles per hour. What was his average speed for the whole journey? Answer: The average speed is 54 miles per hour.

6. Nasa pic po ang answer

Explanation:

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