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Answer:

    4. The speed of the object will gradually decrease

    5. The speed of the object will gradually increase

    6. They are travelling at the same speed

Explanation:

The formula for speed is

For No.4:

• When the distance is constant, then speed is inversely proportional to time
• Since the travel time is increased while the distance travelled is kept at constant value, we can conclude that speed of the object will decrease

For No.5:

• When time is constant, then speed is directly proportional to distance
• Since the distance is increased while the travel time is kept at a constant value, we can conclude that the speed of the object will increase

For No.6:

Remember that the formula of speed is , we can easily figure out the speed of the two objects by substituting the value of the two person's Distance and Time to the formula

Person 1:

Speed =

S = 2m/s

Person 2:

Speed =

S = 2m/s

Both of them have travels at the same speed(2 m/s), so neither of the two is faster than the other

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