Chameleons use their tongues to catch their prey.

| August 31, 2017

Question
1. Chameleons use their tongues to catch their prey. Their tongues typically accelerate at 250 m/s2 for up to 20 ms, then they travel at constant speed for a further 30 ms. During this total duration, of acceleration plus constant motion, of 50 ms, how far does the tongue reach?

2. The bush baby, a small primate, can leap straight upward to huge heights. The bush baby crouches, then extends its legs upward for 0.16 m. After this period of upward acceleration the animal leaves the ground and reaches a maximum height of 2.3 m. Determine the acceleration while it is pushing off of the ground. Give your answer in both m/s2 and g’s.

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