How far does the car travel in that time?

Does does the driver hit the kangaroo?

Now the driver is speeding along at 100kmh (28m/s) and a kangaroo hops out onto the road 200m ahead. It takes the driver takes a half second to react (in which they keep moving at 28 m/s), and then the car can accelerate at 

Once again, before calculating anything, do you think they'll hit the kangaroo? Write down your answer off to the side where you'll do your working and save it.

Now, calculation: how long does it take the driver to stop in seconds? (if you think they hit the kangaroo, for a moment assume the kangaroo hops out of the way)

How far does the car travel in that time?

A driver is driving along at 80kmh (22m/s) and a kangaroo hops out onto the road 100m ahead. It takes the driver takes a half second to react (in which they keep moving at 22 m/s), and then the car can accelerate at 

For all numerical answers, give you result in SI units (m/s, m, s, etc). 

Before calculating anything, do you think they'll hit the kangaroo? Write down your answer off to the side where you'll do your working and save it.

Now, the first calculation: how long does it take the driver to stop in seconds?

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In Part B, the point of measuring the period a few times is

In Part C, why do we perform a fit to the multiple data points for period and length rather than just check each one individually?

In Part C, the point of using multiple lengths which are widely spread is

In Part B, the point of measuring not a single period but rather the time for many swings is