Section B) SUVAT NOTE - WHEN DOING SUVAT THERE ARE MANY WAYS OF APPROACHING THE PROBLEM BUT THE ANSWERS SHOULD AGREE WITHIN ROUNDING DIFFERENCES 3) A car starts from rest and after 40m is moving at 15m/s. a. What is the acceleration of the car? b. How long is the car accelerating for? 4) Usain Bolt accelerates during the first 2s of his race. a. If his acceleration is 8m/s', how fast is he running after 2s? b. How far does he travel during this time? c. For the rest of the 100m race, he runs at the final velocity from (a). How long does he take to finish the race? 5) A ball falls from a height of 8m. a. What is the acceleration of the ball as it falls? How long does it take to fall? c. How fast is it moving just before it hits the earth? 6) A ball is thrown up at 6m/s. a. What is the acceleration of the ball as it goes up? b. What is the maximum height is can reach? U= 6mIS c. How long does it take to reach its maximum height? d. How long does it take to complete the journey - hand - top - hand? a = - q = -10r e. How fast is the ball moving when it gets back to your hand? b V = 0 V = ut 208