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An object travels 20 m in 10 s. What is ...

An object travels 20 m in 10 s. What is the average speed of the object ?

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To find the average speed of the object, we can use the formula for average speed: \[ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \] ### Step-by-Step Solution: 1. **Identify the Total Distance**: The problem states that the object travels a distance of 20 meters. \[ \text{Total Distance} = 20 \text{ m} \] 2. **Identify the Total Time**: The time taken to travel this distance is given as 10 seconds. \[ \text{Total Time} = 10 \text{ s} \] 3. **Substitute the Values into the Formula**: Now, we can substitute the values of total distance and total time into the average speed formula. \[ \text{Average Speed} = \frac{20 \text{ m}}{10 \text{ s}} \] 4. **Calculate the Average Speed**: Performing the division gives us: \[ \text{Average Speed} = 2 \text{ m/s} \] ### Final Answer: The average speed of the object is **2 m/s**. ---

To find the average speed of the object, we can use the formula for average speed: \[ \text{Average Speed} = \frac{\text{Total Distance}}{\text{Total Time}} \] ### Step-by-Step Solution: ...
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Knowledge Check

  • An object moves 10 m in 4 s then turns left and moves 20 m in next 5 s. What is the average speed of the object?

    A
    `10 m/s`
    B
    `(10)/3 m/s`
    C
    `(20)/3 m/s`
    D
    `4.5 m/s`
  • An object travels 30 m in 4 s and then another 70 m in 6 s. What is the average speed of the object ?

    A
    `8" ms"^(1)`
    B
    `10" ms"^(1)`
    C
    `10" ms"^(-1)`
    D
    `8" ms"^(-1)`
  • An object travels 10 m in 4 s and then another 14 m in 2 s. What is the average speed of the object?

    A
    `4.5 ms^(-1)`
    B
    4 m
    C
    `4s^(-1)`
    D
    `4 ms^(-1)`
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