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Stone Mountain near Atlanta, GA has a skyride which is a gondola suspended from a cable that takes people to the top of Stone Mountain as well as back down.
Using the First Law of Thermodynamics, what would be the most efficient way to design this ride?
Discuss if this might be used to generate rather than use electrical energy. If so, what would be required? If not, why not?
A nurse measures the temperature of a patient to be 39.3°C. What is this temperature on the Fahrenheit scale
A 1.80-kg monkey wrench is pivoted 0.250 m from its center ofmass and allowed to swing as a physical pendulum. What is the moment of inertia of the wrench about an axisthrough the pivot
A chain consisting of five links, each of mass 0.115 kg, is lifted vertically with a constant acceleration of a = 2.5 m/s2. What is the magnitude of the force F that must be exerted on the top link to achieve this acceleration
A spring has a spring stiffness constant, k, of 470N/m. How much must this spring be stretched to store 40J of potential energy
A 50.0-kg child stands at the rim of a merry-go-round of radius 1.70 m, rotating with an angular speed of 2.95 rad/s. What minimum coefficient of static friction is required
A 45.0-kg girl is standing on a 133-kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless surface. What is her velocity relative to the surface of ice
After a tornado, a 0.50-g drinking straw was found embedded 4.5 cm in a tree. What was the straw's speed
A point source emits 26.2 W of sound isotropically. A small microphone intercepts the sound in an area of 0.121 cm2, determine the power intercepted by the microphone
Two blocks of the same mass 0.5 kg head-on collide on a frictionless horizontal surface. The velocities before the collision are v1 = 1.0 m/s, v2 = -3.0 m/s. What is the center-of-mass velocity
As a baseball is being thrown, it goes from 0.0 to 40.0 ms in 0.34 s, What is the acceleration of the baseball
A proton is confined to a nucleus that has a diameter of 8.3 × 10-15 m. what is the minimum uncertainty in its momentum
A light rod 1.00 meter in length rotates about an axis perpendicular to its length and passing through its center. Compute what is the system kinetic energy when its angular speed is 2.50 rad/s
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