Answer:

Time in Seconds

Row 1:  6.3 seconds

Row 2:  5.8 seconds

Row 3:  6.1 seconds

Speed

Row 1:   1m/6.3sec

Row 2:   1m/5.8sec

Row 3:   1m/6.1sec

Questions:

1.) In which trial did the toy car run faster? slower?

- The toy run faster in trial 2.

- The toy run slower in trial 1.

2.) What do you think will happen if you try to lessen the number of books from the ramp?

- If we lessen the number of books from the ramp, the toy car will run slower. The speed will decrease and the time will increase.

Message:

I'm not an expert but I always do my best to answer correctly.

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