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4. What happens with the speed of the object at constant distance when the time increases?
5.
What happens with the speed of the object at constant time when the distance increases?
6. Who was travelling faster than the other, a person who covered 10 meters in 5 seconds or
the one who took 10 seconds to cover 20 meters?​

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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 [tex]Speed=\frac{Distance}{Time}[/tex]

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 [tex]Speed=\frac{Distance}{Time}[/tex], 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 = [tex]\frac{10m}{5s}[/tex]

S = 2m/s

Person 2:

Speed = [tex]\frac{20m}{10s}[/tex]

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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