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wow thanks for the responses guys. It's on tomorrow, and I heard it's not too bad from some of the guys who've done it. Hopefully I'll do OK.

Hey guys just wondering if there anything I should watch out for in my Prac exam for motion coming up. It's about ticker timers. This is for year 11 but I think it's a good chance to get to know the way it's supposed to operate. Thanks in advance. Also could you guys explain valid, accurate and...

wow thanks so much. It seemed so hard but turned out so easy. Thanks a lot.

A well-coordinated in-line skater is playing with a yo-yo while accelerating on a horizontal surface. Figure 10.35 shows that when the yo-yo is at its lowest point it makes an angle of 5° with the vertical. Determine the acceleration of the in-line skater. the answer is 0.86 m s^−2 to the right...