What will be the speed of last car as it passes the worker
A 100-m-long train accelerates uniformly from rest. If the front of the train passes a railway worker 166 m down the track at a speed of 21 m/s, what will be the speed of the last car as it passes the worker?
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A mass m1 on a horizontal shelf is attached by a thin string that passes over a frictionless pulley to a 2.6 kg mass (m2) that hangs over the side of the shelf 1.6 m above the ground.
Where is the center of mass of the system formed by these four objects?
Write a 250- to 300-word response to the following: How have you used the scientific process (unsystematic observation, building theories, and evaluating propositions) in your life to better understand your personality?
If you were asked to defeat the computer in a Turing Test, what types of questions would you ask it? Explain why you think these questions would be the type to "reveal" the computer to be a computer? Why would these responses have to be given
Children in a tree house lift a small dog in a basket 3.50 m up to their house. If it takes 219 J of work to do this, what is the combined mass of the dog and basket?
What personality traits do leaders like Todd McFarlane possess that distinguish them from other individuals?
A 40 kg child is in a swing that is attached to a rope 2m long. Find potential energy associated with the child relative to his lowest point when the ropes are horizontal.
What is the magnitude of the impulse delivered to the ball?
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