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SPECIAL QUIZ ON KINEMATICS (1-D MOTION) 1. The speed of a nerve impulse in the human body is about 1.0x102 m/s. If you accidentally

 

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SPECIAL QUIZ ON KINEMATICS (1-D MOTION) 1. The speed of a nerve impulse in the human body is about 1.0x102 m/s. If you accidentally stub your toe in the dark, estimate the time it takes the nerve impulse to travel to your brain. Assume that the distance from your toe to brain is approximately 1.5 m. 2. A rock is dropped from the top of a cliff. The sound is heard after 2.8 s. How high (in m) is the cliff? 3. A car is moving with a velocity of 30.0 m/s and is approaching a stoplight. The light turns yellow, and he applies the brakes and skids to a stop. If his acceleration is -8.00 m/s2, determine the time taken for the car to stop. 4. A rocket moves straight upwards, starting from rest with an acceleration of +29.4 m/s2. What is the position (in km) of the rocket after 30.0 seconds?

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