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Compute each part of given question:
Question: A 55 kg man stands still in an elevator moving with a constant speed of 2.0m/s.
Part A: If the down going elevator comes to rest with a constant deceleration over a distance of 4.2 m, what is the magnitude of the force the elevator floor exerts on the man?
Part B: If the elevator is moving up before the deceleration, with the other conditions the same as in part (a), what is the magnitude of that force now?
Rework your solution from the beginning and check each step carefully for above question.
A 5.5 kgdog stands on a 19 kg flatboatat distance D = 6.1 m from the shore. It walks 2.0 m along the boattoward shore and then stops. Assuming no friction between the boatand the water, find how far the dog is then from the shore.
Calculate the angular velocity of an electron orbiting a proton in the hydrogen atom, given the radius of the orbit is 0.500x10-10 m
Can you please help me? In reaching her destination a backpacker walks with an average velocity of 1.37m/s due west. how far did she walk
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sometimes a person cannot clearly see objects close up or far away. to correct this type of vision bifocals are often
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A mass m is attached to an ideal cord of length L (figure at left). What is the tension in the cord at that moment
A 4.23 kg sphere makes a perfectly in-elastic collision with a second sphere that is initially at rest. What is the mass of the second sphere
If you were on a spaceship traveling a 0.5c away from a star, at what speed would the starlight pass you
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