Sagot :
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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